Unlock 30% off on Manual Testing Annual Plans this Holiday Season.

Copied to Clipboard!

How to use getnext method in tox

Best Python code snippet using tox_python

main.py

Source:main.py

1import random2from time import thread_time3class LinkedList:4    # The __Node class is used internally by the LinkedList class. It is5    # invisible from outside this class due to the two underscores6    # that precede the class name. Python mangles names so that they7    # are not recognizable outside the class when two underscores8    # precede a name but aren't followed by two underscores at the9    # end of the name (i.e. an operator name).10    class __Node:11        def __init__(self, item, next=None):12            self.item = item13            self.next = next14        def getItem(self):15            return self.item16        def getNext(self):17            return self.next18        def setItem(self, item):19            self.item = item20        def setNext(self, next):21            self.next = next22    def __init__(self, contents=[]):23        # Here we keep a reference to the first node in the linked list24        # and the last item in the linked list. The both point to a25        # dummy node to begin with. This dummy node will always be in26        # the first position in the list and will never contain an item.27        # Its purpose is to eliminate special cases in the code below.28        self.first = LinkedList.__Node(None, None)29        self.last = self.first30        self.numItems = 031        for e in contents:32            self.append(e)33    def __getitem__(self, index):34        if index >= 0 and index < self.numItems:35            cursor = self.first.getNext()36            for i in range(index):37                cursor = cursor.getNext()38            return cursor.getItem()39        raise IndexError("LinkedList index out of range")40    def __setitem__(self, index, val):41        if index >= 0 and index < self.numItems:42            cursor = self.first.getNext()43            for i in range(index):44                cursor = cursor.getNext()45            cursor.setItem(val)46            return47        raise IndexError("LinkedList assignment index out of range")48    def insert(self, index, item):49        cursor = self.first50        if index < self.numItems:51            for i in range(index):52                cursor = cursor.getNext()53            node = LinkedList.__Node(item, cursor.getNext())54            cursor.setNext(node)55            self.numItems += 156        else:57            self.append(item)58    def __add__(self, other):59        if type(self) != type(other):60            raise TypeError("Concatenate undefined for " + \61                            str(type(self)) + " + " + str(type(other)))62        result = LinkedList()63        cursor = self.first.getNext()64        while cursor != None:65            result.append(cursor.getItem())66            cursor = cursor.getNext()67        cursor = other.first.getNext()68        while cursor != None:69            result.append(cursor.getItem())70            cursor = cursor.getNext()71        return result72    def __contains__(self, item):73        for e in self:74            if e == item:75                return True76        return False77    def __delitem__(self, index):78        cursor = self.first.getNext()79        for i in range(index - 1):80            cursor = cursor.getNext()81        cursor.setNext(cursor.getNext().getNext())82        self.numItems -= 183    def __eq__(self, other):84        if type(other) != type(self):85            return False86        if self.numItems != other.numItems:87            return False88        cursor1 = self.first.getNext()89        cursor2 = other.first.getNext()90        while cursor1 != None:91            if cursor1.getItem() != cursor2.getItem():92                return False93            cursor1 = cursor1.getNext()94            cursor2 = cursor2.getNext()95        return True96    def __iter__(self):97        cursor = self.first.getNext()  # idiom: start at the beginning98        while cursor != None:99            yield cursor.getItem()100            cursor = cursor.getNext()101    def __len__(self):102        return self.numItems103    def append(self, item):104        node = LinkedList.__Node(item)105        self.last.setNext(node)106        self.last = node107        self.numItems += 1108    def __str__(self):109        cursor = self.first.getNext()110        out = "["111        while cursor != None:112            out += str(cursor.getItem())113            cursor = cursor.getNext()114            if cursor != None:115                out += ","116            else:117                break118        return out + "]"119    def __repr__(self):120        # This is left as an exercise for the reader.121        pass122    def split(self, index):123        cursor = self.first.getNext()124        newlst = LinkedList()125        for i in range(index - 1):126            cursor = cursor.getNext()127        newlst.first.setNext(cursor.getNext())128        cursor.setNext(None)129        newlst.numItems = self.numItems - index130        self.numItems = index131        return newlst132    def sorted(self):133        cursor = self.first.getNext()134        while cursor.getNext() != None:135            prev = cursor.getItem()136            cursor = cursor.getNext()137            if prev > cursor.getItem():138                return False139        return True140    def merge(self, other):141        if type(self) != type(other):142            raise TypeError("Merge undefined for " + \143                            str(type(self)) + " + " + str(type(other)))144        cursor_self = self.first.getNext()145        cursor_other = other.first.getNext()146        merged_list = LinkedList()147        while (cursor_self is not None) and (cursor_other is not None):148            if cursor_self.getItem() < cursor_other.getItem():149                merged_list.append(cursor_self.getItem())150                cursor_self = cursor_self.getNext()151            else:152                merged_list.append(cursor_other.getItem())153                cursor_other = cursor_other.getNext()154        while cursor_self is not None:155            merged_list.append(cursor_self.getItem())156            cursor_self = cursor_self.getNext()157        while cursor_other is not None:158            merged_list.append(cursor_other.getItem())159            cursor_other = cursor_other.getNext()160        self.first = merged_list.first161        self.last = merged_list.last162        self.numItems = merged_list.numItems163    def merge_sort(self):164        if self.numItems == 1:165            return166        pivot = self.numItems // 2167        newlst = self.split(pivot)168        newlst.merge_sort()169        self.merge_sort()170        self.merge(newlst)171def main():172    lst = LinkedList()173    for i in range(100):174        lst.append(i)175    lst2 = LinkedList(lst)176    print(lst)177    print(lst2)178    if lst == lst2:179        print("Test 1 Passed")180    else:181        print("Test 1 Failed")182    lst3 = lst + lst2183    if len(lst3) == len(lst) + len(lst2):184        print("Test 2 Passed")185    else:186        print("Test 2 Failed")187    if 1 in lst3:188        print("Test 3 Passed")189    else:190        print("Test 3 Failed")191    if 2 in lst3:192        print("Test 4 Passed")193    else:194        print("Test 4 Failed")195    del lst[1]196    if 1 in lst:197        print("Test 5 Failed")198    else:199        print("Test 5 Passed")200    if len(lst) == 99:201        print("Test 6 Passed")202    else:203        print("Test 6 Failed")204    if lst == lst2:205        print("Test 7 Failed")206    else:207        print("Test 7 Passed")208    del lst2[2]209    if lst == lst2:210        print("Test 8 Failed")211    else:212        print("Test 8 Passed")213    lst4 = LinkedList(lst)214    lst.insert(0, 100)215    lst4 = LinkedList([100]) + lst4216    if lst == lst4:217        print("Test 9 Passed")218    else:219        print("Test 9 Failed")220    lst.insert(1000, 333)221    lst4.append(333)222    if lst == lst4:223        print("Test 10 Passed")224    else:225        print("Test 10 Failed")226    print(lst)227    print(lst4)228    lst5 = LinkedList([1, 2, 3, 4, 5, 6, 7, 8])229    lst6 = lst5.split(4)230    print(lst5)231    print(lst6)232    lst7 = LinkedList([1, 2, 3, 4, 5, 6, 7, 8])233    lst5.merge(lst6)234    print(lst5)235    if lst5 == lst7:236        print("Test 11 passed")237    else:238        print("Test 11 failed")239    lst8 = LinkedList([5, 3, 6, 2, 1, 7, 4, 8])240    if lst7.sorted() and (not lst8.sorted()):241        print("Test 12 passed")242    else:243        print("Test 12 failed")244    longlst = list(range(1000))245    random.shuffle(longlst)246    lst8 = LinkedList(longlst)247    runtime = thread_time()248    lst8.merge_sort()249    runtime = thread_time() - runtime250    if lst8.sorted():251        print("Test 13 passed")252    else:253        print("Test 13 failed")254    print(runtime)255    with open("merge_sort.csv", "w") as f:256        for i in range(2, 1000000):257            lst = list(range(i))258            random.shuffle(lst)259            toSort = LinkedList(lst)260            runtime = thread_time()261            toSort.merge_sort()262            runtime = thread_time() - runtime263            f.write(str(runtime) + ", " + str(i) + "\n")264if __name__ == "__main__":...

LinkedList.py

Source:LinkedList.py

1#!/usr/bin/env python32# -*- coding: utf-8 -*-3"""4Created on Tue Dec 19 16:07:06 20175@author: supperxxxs6"""7class Node:8    def __init__(self, initdata):9        self.__data = initdata10        self.__next = None11    def getData(self):12        return self.__data13    def getNext(self):14        return self.__next15    def setData(self, newdata):16        self.__data = newdata17    def setNext(self, newnext):18        self.__next = newnext19class SinLinkedlist:20    def __init__(self):21        self.head = None22    """           #bymyself23    def add(self, item):24        temp = Node(item)25        prev = self.head26        while prev.getNext() != None:27            cur = prev.getNext()28            if cur.getNext() == None:29                cur.setNext(temp)30            prev = prev.getNext()31    """        32    def add(self, item):33        if self.empty():34            self.head = Node(item)35        else:36            temp = Node(item)37            cur = self.head38            while cur.getNext() != None:39                cur=cur.getNext()40            cur.setNext(temp)41            42    def addNode(self, node):43        if self.empty():44            self.head = node45        else:46            cur = self.head47            while cur.getNext() != None:48                cur=cur.getNext()49            cur.setNext(node)50  51    def remove(self,item):52        prev =self.head53        while prev.getNext() != None:54            cur = prev.getNext()55            if cur.getData() == item:56                prev.setNext(cur.getNext())57            prev = prev.getNext()58    def search(self, item):59        cur = self.head.getNext()60        while cur != None:61            if cur.getData() == item:62                return True63            cur = cur.getNext()64        return False65    def empty(self):66        return self.head == None67    68    def size(self):69        count = 070        cur = self.head.getNext()71        while cur != None:72            count += 173            cur = cur.getNext()74        return count75    def output(self):76        cur=self.head77        while cur!= None:78            print(cur.getData())79            cur=cur.getNext()80x = [2,4,5,2,5,6]81if __name__ == '__main__':82    s= SinLinkedlist()83    for i in x:84        s.add(i)85    #s.output()86    """87    #2.1.hashtable88    hashtable=set([])89    prev = s.head90    hashtable.add(prev.getData())91    cur = prev.getNext()92    while cur != None:93        if cur.getData() in hashtable:94            prev.setNext(cur.getNext())95            cur = cur.getNext()96        else:97            hashtable.add(cur.getData())98            cur=cur.getNext()99            prev = prev.getNext()100    s.output()        101    """  102    """103    #2.1.without temporary buffer104    prev = s.head105    cur=prev.getNext()106    while cur != None:107        test =s.head108        while test != cur:109            if test.getData() == cur.getData():110                prev.setNext(cur.getNext())111                cur =cur.getNext()112                break113            test = test.getNext()114        if test == cur:115            cur= cur.getNext()116            prev= prev.getNext()117       # else:118        #    cur =cur.getNext()119         #   prev =prev120    s.output()121    """122    """123    #2.2. nth to the last element124    n = 3125    prev =s.head126    cur = s.head127    for i in range(n):128        prev=prev.getNext()129    while prev != None:130        prev=prev.getNext()131        cur= cur.getNext()132    print(cur.getData())133    """134    #2.3.carryadder135    a =999136    b =999137    x=SinLinkedlist()138    y=SinLinkedlist()139    result=SinLinkedlist()140    for i in range(len(str(a))):141        x.add(a%10)142        a=int(a/10)143    for i in range(len(str(b))):144        y.add(b%10)145        b=int(b/10)146    x_cur= x.head147    y_cur= y.head   148    carry = 0149    while x_cur != None or y_cur != None:        150        if x_cur == None:151            result.add((y_cur.getData()+carry)%10)152            if y_cur.getData()+carry >9:153                carry=1154            else:155                carry=0156            y_cur=y_cur.getNext()157        elif y_cur == None:158            result.add((x_cur.getData()+carry)%10)159            if x_cur.getData()+carry >9:160                carry=1161            else:162                carry=0163            x_cur=x_cur.getNext()164        else:            165            result.add((x_cur.getData()+y_cur.getData()+carry)%10)166            if x_cur.getData()+y_cur.getData()+carry >9:167                carry =1168            else:169                carry =0170            x_cur =x_cur.getNext()171            y_cur =y_cur.getNext()172    if carry ==1:173        result.add(carry)174    result.output()175 #2.5.create circular linked list   176    t=SinLinkedlist()177    A=Node('A')178    t.addNode(A)179    B=Node('B')180    t.addNode(B)181    C=Node('C')182    t.addNode(C)183    D=Node('D')184    t.addNode(D)185    E=Node('E')186    t.addNode(E)187    E.setNext(C)188# function1189    ht =set([])190    cur = t.head191    while cur.getData() not in ht:192        ht.add(cur.getData())193        cur = cur.getNext()194    if cur.getData() in ht:195        print(cur.getData())196#function2    197    turtle = t.head.getNext()198    rabbit = t.head.getNext().getNext()199    while turtle.getData() != rabbit.getData():200        turtle = turtle.getNext()201        rabbit = rabbit.getNext().getNext()202    pig = t.head203    while pig.getData() != turtle.getData():204        pig = pig.getNext()205        turtle= turtle.getNext()206    print(pig.getData())207        ...

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.