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How to use get_values method in pyresttest

Best Python code snippet using pyresttest_python

test_multiinput.py

Source:test_multiinput.py

...44    not_connected.add_value(None)45    connected = testclasses.NonReplacingMultiInput().add_value.connect(t1.get_value)46    t2.set_value.connect(connected.get_values)47    for instance in (not_connected, connected):48        assert instance.get_values() == (None,)49        id1 = instance.add_value(1.0)50        assert instance.get_values() == (None, 1.0)51        instance.add_value(2.0)52        assert instance.get_values() == (None, 1.0, 2.0)53        instance.remove_value(id1)54        assert instance.get_values() == (None, 2.0)55    # replacing MultiInput56    t1 = testclasses.Simple()57    t2 = testclasses.Simple()58    t2.set_value.set_laziness(connectors.Laziness.ON_ANNOUNCE)59    not_connected = testclasses.ReplacingMultiInput()60    not_connected.add_value(None)61    connected = testclasses.ReplacingMultiInput().add_value.connect(t1.get_value)62    t2.set_value.connect(connected.get_values)63    for instance in (not_connected, connected):64        assert instance.get_values() == (None,)65        id1 = instance.add_value(10)66        assert instance.get_values() == (None, 10)67        instance.add_value(20)68        assert instance.get_values() == (None, 10, 20)69        instance.replace_value(id1, 30)70        assert instance.get_values() == (None, 30, 20)71        instance.remove_value(id1)72        assert instance.get_values() == (None, 20)73def test_non_replacing_multiinput():74    """Tests the behavior of a multi-input connector without a replace method"""75    call_logger = helper.CallLogger()76    # test without connections77    instance = testclasses.NonReplacingMultiInput(call_logger)78    assert instance.get_values() == ()79    id1 = instance.add_value(1)80    assert instance.get_values() == (1,)81    instance.add_value(2)82    assert instance.get_values() == (1, 2)83    instance.remove_value(id1)84    assert instance.get_values() == (2,)85    # test with connections86    t1 = testclasses.Simple(call_logger)87    t1.set_value(11)88    instance.add_value.connect(t1.get_value)89    t2 = testclasses.Simple(call_logger)90    t2.set_value(12)91    instance.add_value.connect(t2.get_value)92    assert instance.get_values() == (2, 11, 12)93    t1.set_value(13)94    assert instance.get_values() == (2, 12, 13)95def test_replacing_multiinput():96    """Tests the behavior of a multi-input connector with a replace method"""97    call_logger = helper.CallLogger()98    # test without connections99    instance = testclasses.ReplacingMultiInput(call_logger)100    assert instance.get_values() == ()101    id1 = instance.add_value(1)102    assert instance.get_values() == (1,)103    instance.add_value(2)104    assert instance.get_values() == (1, 2)105    instance.replace_value(id1, 3)106    assert instance.get_values() == (3, 2)107    instance.remove_value(id1)108    assert instance.get_values() == (2,)109    # test with connections110    t1 = testclasses.Simple(call_logger)111    t1.set_value(11)112    instance.add_value.connect(t1.get_value)113    t2 = testclasses.Simple(call_logger)114    t2.set_value(12)115    instance.add_value.connect(t2.get_value)116    assert instance.get_values() == (2, 11, 12)117    t1.set_value(13)118    assert instance.get_values() == (2, 13, 12)119def test_multiple_outputs():120    """Tests the behavior of a multi-input connector upon which two output connectors depend."""121    call_logger = helper.CallLogger()122    # set the processing chain123    t1 = testclasses.Simple(call_logger)124    t2 = testclasses.MultiInputMultipleOutputs(call_logger).add_value.connect(t1.get_value)125    t3 = testclasses.MultipleInputs(call_logger)126    call_logger.set_name_mapping(t1=t1, t2=t2, t3=t3)127    t3.set_value1.connect(t2.get_values)128    t3.set_value2.connect(t2.get_bools)129    call_logger.compare([])130    # check the executed methods131    t1.set_value(25.4)132    assert t3.get_values() == ((25.4,), (True,))133    call_logger.compare([(t1, "set_value", [25.4], t1), (t1, "get_value", [], 25.4), (t2, "add_value", (25.4,)),134                         {((t2, "get_values", (), (25.4,)), (t3, "set_value1", ((25.4,),), t3)),135                          ((t2, "get_bools", (), (True,)), (t3, "set_value2", ((True,),), t3))},136                         (t3, "get_values", [], ((25.4,), (True,)))])137def test_disconnect():138    """Tests the behavior when disconnecting a multi-input connector"""139    t1 = testclasses.Simple()140    t2 = testclasses.Simple()141    t3 = testclasses.ReplacingMultiInput()142    t3.add_value.connect(t1.get_value)143    t3.add_value.connect(t2.get_value)144    t1.set_value(1.0)145    t2.set_value(2.0)146    assert t3.get_values() == (1.0, 2.0)147    t3.add_value.disconnect(t2.get_value)148    assert t3.get_values() == (1.0,)149def test_laziness_on_connect():150    """Tests the behavior of a non-lazy multi-input connector, that requests new151    data as soon as it becomes available and also when connecting an output connector152    to the multi-input connector"""153    call_logger = helper.CallLogger()154    # set up a small processing chain155    t1 = testclasses.NonReplacingMultiInput(call_logger)156    t2 = testclasses.NonLazyInputs(call_logger)157    call_logger.set_name_mapping(t1=t1, t2=t2)158    t2.add_value.set_laziness(connectors.Laziness.ON_CONNECT)159    t2.add_value.connect(t1.get_values)160    call_logger.compare([(t1, "get_values", None), (t2, "add_value", None)])161    # change a value and check that the setter is called162    call_logger.clear()163    t1.add_value(1.0)164    call_logger.compare([(t1, "add_value", [1.0]), (t1, "get_values", [], (1.0,)), (t2, "replace_value")])165    # change the input's laziness and check again166    call_logger.clear()167    t2.add_value.set_laziness(connectors.Laziness.ON_REQUEST)168    t1.add_value(2.0)169    call_logger.compare([(t1, "add_value", [2.0])])170def test_laziness_on_announce():171    """Tests the behavior of a non-lazy multi-input connector, that requests new172    data as soon as it becomes available"""173    call_logger = helper.CallLogger()174    # set up a small processing chain175    t1 = testclasses.NonReplacingMultiInput(call_logger)176    t2 = testclasses.NonLazyInputs(call_logger).add_value.connect(t1.get_values)177    call_logger.set_name_mapping(t1=t1, t2=t2)178    call_logger.compare([])179    # change a value and check that the setter is called180    t1.add_value(1.0)181    call_logger.compare([(t1, "add_value", [1.0]), (t1, "get_values", [], (1.0,)), (t2, "add_value", [(1.0,)])])182    # change the input's laziness and check again183    call_logger.clear()184    t2.add_value.set_laziness(connectors.Laziness.ON_REQUEST)185    t1.add_value(2.0)186    call_logger.compare([(t1, "add_value", [2.0])])187    # check that the set_laziness method is also available in the proxies188    call_logger.clear()189    t3 = testclasses.ReplacingMultiInput(call_logger)190    call_logger.set_name_mapping(t3=t3)191    t3.add_value.set_laziness(connectors.Laziness.ON_ANNOUNCE)192    t3.add_value.connect(t1.get_values)193    call_logger.compare([])194    t1.add_value(3.0)195    call_logger.compare([(t1, "add_value", [3.0]),196                         (t1, "get_values", [], (1.0, 2.0, 3.0)),197                         (t3, "add_value", [(1.0, 2.0, 3.0)])])198def test_laziness_on_notify():199    """Tests the behavior of a non-lazy multi-input connector, that requests new200    data as soon as it has been computed"""201    call_logger = helper.CallLogger()202    # set up a small processing chain203    t1 = testclasses.Simple(call_logger)204    t2 = testclasses.Simple(call_logger).set_value.connect(t1.get_value)205    t3 = testclasses.NonReplacingMultiInput(call_logger).add_value.connect(t1.get_value)206    call_logger.set_name_mapping(t1=t1, t2=t2, t3=t3)207    t3.add_value.set_laziness(connectors.Laziness.ON_NOTIFY)208    call_logger.compare([])209    # set the value210    t1.set_value(1.0)211    call_logger.compare([(t1, "set_value", [1.0], t1)])212    call_logger.clear()213    # retrieve the value through t2 and check if t3 updates itself214    assert t2.get_value() == 1.0215    call_logger.compare([(t1, "get_value", [], 1.0),216                         {((t2, "set_value", (1.0,), t2), (t2, "get_value", (), 1.0)),217                          ((t3, "add_value", (1.0,)),)}])218    call_logger.clear()219    assert t3.get_values() == (1.0,)220    call_logger.compare([(t3, "get_values", [], (1.0,))])221def test_condition_on_announce():222    """Tests the conditional announcement of value changes"""223    call_logger = helper.CallLogger()224    t1 = testclasses.Simple(call_logger)225    t2 = testclasses.ConditionalMultiInputAnnouncement(call_logger).add_value.connect(t1.get_value)226    t3 = testclasses.Simple(call_logger).set_value.connect(t2.get_values)227    call_logger.set_name_mapping(t1=t1, t2=t2, t3=t3)228    # test with condition == True229    call_logger.compare([])230    t1.set_value(1.0)231    assert t3.get_value() == (1.0,)232    call_logger.compare([(t1, "set_value", [1.0], t1), (t1, "get_value", [], 1.0),233                         (t2, "add_value", [1.0]), (t2, "get_values", [], (1.0,)),234                         (t3, "set_value", [(1.0,)], t3), (t3, "get_value", [], (1.0,))])235    # test with condition == False236    t2.condition = False237    call_logger.clear()238    t1.set_value(2.0)239    assert t3.get_value() == (1.0,)240    call_logger.compare([(t1, "set_value", [2.0], t1)])241    assert t2.get_values() == (1.0,)242    # test calling the method directly243    t2.condition = False244    call_logger.clear()245    t2.add_value(3.0)246    assert t3.get_value() == (1.0, 3.0)247    call_logger.compare([(t2, "add_value", [3.0]), (t2, "get_values", [], (1.0, 3.0)),248                         (t3, "set_value", [(1.0, 3.0)], t3), (t3, "get_value", [], (1.0, 3.0))])249    # test disconnecting250    t2.condition = False251    call_logger.clear()252    t1.get_value.disconnect(t2.add_value)253    assert t3.get_value() == (3.0,)254    call_logger.compare([(t2, "remove_value"), (t2, "get_values", [], (3.0,)),255                         (t3, "set_value", [(3.0,)], t3), (t3, "get_value", [], (3.0,))])256def test_condition_on_notify():257    """Tests the conditional notification of observing output connectors about value changes"""258    call_logger = helper.CallLogger()259    t1 = testclasses.Simple(call_logger)260    t2 = testclasses.ConditionalMultiInputNotification(call_logger).add_value.connect(t1.get_value)261    t3 = testclasses.Simple(call_logger).set_value.connect(t2.get_values)262    call_logger.set_name_mapping(t1=t1, t2=t2, t3=t3)263    call_logger.compare([])264    # test with condition == True265    t1.set_value(1.0)266    assert t3.get_value() == (1.0,)267    call_logger.compare([(t1, "set_value", [1.0], t1), (t1, "get_value", [], 1.0),268                         (t2, "add_value", [1.0]), (t2, "get_values", [], (1.0,)),269                         (t3, "set_value", [(1.0,)], t3), (t3, "get_value", [], (1.0,))])270    # test with condition == False271    t2.condition = False272    call_logger.clear()273    t1.set_value(2.0)274    assert t3.get_value() == (1.0,)275    call_logger.compare([(t1, "set_value", [2.0], t1),276                         (t1, "get_value", [], 2.0),277                         (t2, "replace_value")])278    assert t2.get_values() == (1.0,)279    # test calling the method directly280    t2.condition = False281    call_logger.clear()282    t2.add_value(3.0)283    assert t3.get_value() == (1.0,)284    call_logger.compare([(t2, "add_value", [3.0])])285    assert t2.get_values() == (1.0,)286    # test for an implementation detail, that specifying the value as keyword argument takes a slightly more complex code path287    data_id = t2.add_value(value=4.0)288    t2.remove_value(data_id)289    # test disconnecting290    t2.condition = False291    call_logger.clear()292    t1.get_value.disconnect(t2.add_value)293    assert t3.get_value() == (1.0,)294    call_logger.compare([(t2, "remove_value", None, t2)])295    # test changing the condition296    call_logger.clear()297    t2.set_condition(True)298    assert t3.get_value() == (3.0,)  # the value from calling the method directly299    call_logger.compare([(t2, "set_condition", [True], t2), (t2, "get_values", [], (3.0,)),...

vm_triples.py

Source:vm_triples.py

...14        self.y = y15        self.r = r16    def __repr__(self) -> str:17        ''' Return canonical string representation.'''18        return f'Triple{self.get_values()}'19    def __eq__(self, other) -> bool:20        ''' Comparison based on the values.'''21        x1, y1, z1 = self.get_values()22        x2, y2, z2 = other.get_values()23        return (approx_equal(x1, x2) and approx_equal(y1, y2) and 24                approx_equal(z1, z2))25    def __add__(self, other):26        '''Addition of triples, using formula on pp8 of book on Triples.'''27        x, y, r = self.get_values()28        bx, by, br = other.get_values()29        return Triple(x * bx - y * by, y * bx + x * by, r * br).reduce()30    def __sub__(self, other):31        '''Subtraction of triples, using method on pp10 of book on Triples.'''32        x, y, r = self.get_values()33        bx, by, br = other.get_values()34        return Triple(x * bx + y * by, y * bx - x * by, r * br).reduce()35    def double(self):36        '''Double angle formula, pp9 in Triple book.'''37        x, y, r = self.get_values()38        return Triple(x * x - y * y, 2 * x * y, r * r).reduce()39    def half(self):40        '''Half angle method, pp17 in Triple Book'''41        x, y, r = self.get_values()42        hx = x + r43        hy = y44        hr = sqrt(hx * hx + hy * hy)45        return Triple(hx, hy, hr).reduce()46    def get_values(self):47        '''48        Return a tuple of the attributes x, y, r.49        '''50        return (self.x, self.y, self.r)51    def is_valid(self):52        '''53        Tests for the validity of the triple.54        '''55        (x, y, r) = self.get_values()56        return approx_equal(x ** 2 + y ** 2, r ** 2)57    def base(self):58        return self.x59    def height(self):60        return self.y61    def hypotenuse(self):62        return self.r63    def cos(self):64        '''65        Cosine of the angle of the triple.66        '''67        return self.x / self.r68    def sin(self):69        '''70        Sine of the angle of the triple.71        '''72        return self.y / self.r73    def tan(self):74        '''75        Tan of the angle of the triple.76        '''77        return self.y / self.x78    def cosec(self):79        '''80        Cosec of the angle of the triple.81        '''82        return self.r / self.x83    def sec(self):84        '''85        Sec of the angle of the triple.86        '''87        return self.r / self.y88    def cot(self):89        '''90        Cot of the angle of the triple.91        '''92        return self.x / self.y93    def complimentary(self):94        '''95        Returns the complimentary triple.96        '''97        x, y, r = self.get_values()98        return Triple(y, x, r)99    def is_similar(self, other):100        ''' Test for similarity between triples.'''101        s = self.get_values()102        o = other.get_values()103        ratios = [e[0] / e[1] for e in zip(s, o)]104        return all([r == ratios[0] for r in ratios])105    def divide(self, c):106        '''Divide elements by a common factor.'''107        x, y, r = self.get_values()108        return Triple(x / c, y / c, r / c)109    def multiply(self, c):110        '''Multiply elements by a common factor.'''111        x, y, r = self.get_values()112        return Triple(x * c, y * c, r * c)113    def reduce(self):114        '''115        Reduce to the form where the first elements have no common factors.116        '''117        x, y, r = self.get_values()118        if type(x) == int and type(y) == int:119            d = gcd(x, y)120            if d > 1:121                x, y, r = x / d, y / d, r / d122        return Triple(x, y, r)123    def normalise(self):124        '''125        Normalise to the form where the radius is one.126        '''127        x, y, r = self.get_values()128        return Triple(x / r, y / r, 1)129TRIPLE_0 = Triple(1, 0, 1)130TRIPLE_90 = Triple(0, 1, 1)131TRIPLE_180 = Triple(-1, 0, 1)132TRIPLE_270 = Triple(0, -1, 1)133TRIPLE_360 = Triple(1, 0, 1)134TRIPLE_30 = Triple(sqrt(3), 1 ,2)135TRIPLE_45 = Triple(1, 1, sqrt(2))136TRIPLE_60 = Triple(1, sqrt(3) ,2)137class Quadruple:138    '''139    Class for computing with quadruples. For reference see the 140    book Triples by Kenneth Williams.141    '''142    def __init__(self, x, y, z, r):143        '''144        Initialise the attributes of a quadruple.145        '''146        self.x = x147        self.y = y148        self.z = z149        self.r = r150    def __repr__(self) -> str:151        ''' Return canonical string representation.'''152        return f'Quadruple{self.get_values()}'153    def __eq__(self, other) -> bool:154        ''' Comparison based on the values.'''155        x1, y1, z1, r1 = self.get_values()156        x2, y2, z2, r2 = other.get_values()157        return (approx_equal(x1, x2) and approx_equal(y1, y2) and 158                approx_equal(z1, z2) and approx_equal(r1, r2))159    def get_values(self):160        '''161        Return a tuple of the attributes x, y, z, r.162        '''163        return (self.x, self.y, self.z, self.r)164    def is_valid(self):165        '''166        Tests for the validity of the quadruple.167        '''168        (x, y, z, r) = self.get_values()169        return approx_equal(x ** 2 + y ** 2 + z ** 2, r ** 2)170    def get_composite_triples(self):171        '''Return a list of the four composite triples, as per diagram172        on pp 162 of the Triples book.'''173        x, y, z, r = self.get_values()174        return [175            Triple(x, sqrt(r * r - x * x) ,r), 176            Triple(y, z, sqrt(y * y + z * z)),177            Triple(x, y, sqrt(x * x + y * y)),178            Triple(sqrt(r * r - z * z), z, r)179            ]180    def reduce(self):181        '''182        Reduce to the form where the first elements have no common factors.183        '''184        x, y, z, r = self.get_values()185        if type(x) == int and type(y) == int and type(z) == int:186            d = gcd(gcd(x, y), z)187            if d > 1:188                x, y, z, r = x / d, y / d, z / d, r / d189        return Quadruple(x, y, z, r)190# as per pp164 of the Triples book191QUAD_POSX = Quadruple(1, 0, 0, 1)192QUAD_NEGX = Quadruple(-1, 0, 0, 1)193QUAD_POSY = Quadruple(0, 1, 0, 1)194QUAD_NEGY = Quadruple(0, -1, 0, 1)195QUAD_POSZ = Quadruple(0, 0, 1, 1)196QUAD_NEGZ = Quadruple(0, 0, -1, 1)197class Quintuple:198    '''199    Class for computing with quintuples. For reference see the 200    book Triples by Kenneth Williams. Required for quadruple subtraction pp164.201    '''202    def __init__(self, w, x, y, z, r):203        '''204        Initialise the attributes of a quintuple.205        '''206        self.w = w207        self.x = x208        self.y = y209        self.z = z210        self.r = r211    def __repr__(self) -> str:212        ''' Return canonical string representation.'''213        return f'Quintuple{self.get_values()}'214    def __eq__(self, other) -> bool:215        ''' Comparison based on the values.'''216        w1, x1, y1, z1, r1 = self.get_values()217        w2, x2, y2, z2, r2 = other.get_values()218        return (approx_equal(w1, w2) and approx_equal(x1, x2) and 219                approx_equal(y1, y2) and approx_equal(z1, z2) and 220                approx_equal(r1, r2))221    def get_values(self):222        '''223        Return a tuple of the attributes w, x, y, z, r.224        '''225        return (self.w, self.x, self.y, self.z, self.r)226    def is_valid(self):227        '''228        Tests for the validity of the quintuple.229        '''230        (w, x, y, z, r) = self.get_values()231        return approx_equal(w ** 2 + x ** 2 + y ** 2 + z ** 2, r ** 2)232    def reduce(self):233        '''234        Reduce to the form where the first elements have no common factors.235        '''236        w, x, y, z, r = self.get_values()237        if (type(w) == int and type(x) == int and type(y) == int and 238            type(z) == int):239            d = gcd(gcd(gcd(w, x), y), z)240            if d > 1:241                w, x, y, z, r = w / d, x / d, y / d, z / d, r / d...

calculator.py

Source:calculator.py

...29        # First line frame30        self.first_line = Frame(self.kb_main_frame)31        self.first_line.pack()32        # Buttons first line33        self.b_null = Button(self.first_line, text='C', font=('Verdana', 25), width=3, command=lambda: self.get_values('clear'))34        self.b_null.pack(side=LEFT, padx=2, pady=2)35        self.b_divide = Button(self.first_line, text='/', font=('Verdana', 25), width=3, command=lambda: self.get_values('/'))36        self.b_divide.pack(side=LEFT, padx=2, pady=2)37        self.b_times = Button(self.first_line, text='*', font=('Verdana', 25), width=3, command=lambda : self.get_values('*'))38        self.b_times.pack(side=LEFT, padx=2, pady=2)39        self.b_minus = Button(self.first_line, text='-', font=('Verdana', 25), width=3, command=lambda: self.get_values('-'))40        self.b_minus.pack(side=LEFT, padx=2, pady=2)41        # Second line frame42        self.second_line = Frame(self.kb_main_frame)43        self.second_line.pack()44        # Buttons second line45        self.b_seven = Button(self.second_line, text='7', font=('Verdana', 25), width=3, command=lambda: self.get_values(7))46        self.b_seven.pack(side=LEFT, padx=2, pady=2)47        self.b_eight = Button(self.second_line, text='8', font=('Verdana', 25), width=3, command=lambda: self.get_values(8))48        self.b_eight.pack(side=LEFT, padx=2, pady=2)49        self.b_nine = Button(self.second_line, text='9', font=('Verdana', 25), width=3, command=lambda: self.get_values(9))50        self.b_nine.pack(side=LEFT, padx=2, pady=2)51        self.b_plus = Button(self.second_line, text='+', font=('Verdana', 25), width=3, command=lambda: self.get_values('+'))52        self.b_plus.pack(side=LEFT, padx=2, pady=2)53        # Third line frame54        self.third_line = Frame(self.kb_main_frame)55        self.third_line.pack()56        # Buttons third line57        self.b_four = Button(self.third_line, text='4', font=('Verdana', 25), width=3, command=lambda: self.get_values(4))58        self.b_four.pack(side=LEFT, padx=2, pady=2)59        self.b_five = Button(self.third_line, text='5', font=('Verdana', 25), width=3, command=lambda: self.get_values(5))60        self.b_five.pack(side=LEFT, padx=2, pady=2)61        self.b_six = Button(self.third_line, text='6', font=('Verdana', 25), width=3, command=lambda: self.get_values(6))62        self.b_six.pack(side=LEFT, padx=2, pady=2)63        self.b_dot = Button(self.third_line, text='.', font=('Verdana', 25), width=3, command=lambda: self.get_values('.'))64        self.b_dot.pack(side=LEFT, padx=2, pady=2)65        # Fourth line frame66        self.fourth_line = Frame(self.kb_main_frame)67        self.fourth_line.pack()68        # Buttons fourth line69        self.b_one = Button(self.fourth_line, text='1', font=('Verdana', 25), width=3, command=lambda: self.get_values(1))70        self.b_one.pack(side=LEFT, padx=2, pady=2)71        self.b_two = Button(self.fourth_line, text='2', font=('Verdana', 25), width=3, command=lambda: self.get_values(2))72        self.b_two.pack(side=LEFT, padx=2, pady=2)73        self.b_three = Button(self.fourth_line, text='3', font=('Verdana', 25), width=3, command=lambda: self.get_values(3))74        self.b_three.pack(side=LEFT, padx=2, pady=2)75        self.parentheses = Frame(self.fourth_line,)76        self.parentheses.pack(side=LEFT, padx=2, pady=2)77        self.b_p_right = Button(self.parentheses, text='(', font=('Verdana', 12), width=2, )78        self.b_p_right.pack(side=LEFT, padx=2, pady=2)79        self.b_p_left = Button(self.parentheses, text=')', font=('Verdana', 12), width=2, )80        self.b_p_left.pack(side=LEFT, padx=2, pady=2)81        # Fourth line frame82        self.fifth_line = Frame(self.kb_main_frame)83        self.fifth_line.pack()84        # Buttons fourth line85        self.b_zero = Button(self.fifth_line, text='0', font=('Verdana', 25), width=7, command=lambda: self.get_values(0))86        self.b_zero.pack(side=LEFT, padx=2, pady=2)87        # Button to calculate88        self.b_calculate = Button(self.fifth_line, text='=', font=('Verdana', 25), width=7, command=self.calculate)89        self.b_calculate.pack(side=LEFT, padx=2, pady=2)90        # Save the expression91        self.ex_cima = ''92        self.numeroembaixo = ''93    # Get all the values and concatenate them94    def get_values(self, txt):95        # If button 'C' is pressed, clear the screen96        if txt == 'clear':97            self.ex_cima = ''98            self.numeroembaixo = ''99            self.baixo.config(text='')100            self.cima.config(text='')101        else:102            if txt == '+':103                self.ex_cima += self.numeroembaixo + '+'104                self.cima.config(text=self.ex_cima)105                self.numeroembaixo = ''106                print(self.numeroembaixo)107            elif txt == '-':108                self.ex_cima += self.numeroembaixo + '-'...

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