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 List Overlap Trouble erfanakbari1 Silly Frenchman Posts: 21 Threads: 15 Joined: Sep 2018 Reputation: 0 Likes received: 0 #1 Mar-18-2019, 12:47 PM Hey Guys! I am given an exercise to solve . Its about list overlap and random generating of lists and to return a list that contains only the elements that are common between the lists . I am done with this part and I succeeded in it . but about this extra part : Randomly generate two lists to test this , I have tried many ways doing this but unfortunately I stuck into trouble . ```import random def RAND(start, finish, num): third_list = [] for c in range(num): third_list.append(random.randint(start, finish)) return third_list num = 5 start = 1 finish = 50 print(RAND(start, finish, num)) def RAND2(strt, fin, n): fourth_list = [] for m in range(n): fourth_list.append(random.randint(strt, fin)) return fourth_list n = 4 strt = 0 fin = 10 print(RAND2(strt, fin, n)) for char in third_list: for char2 in fourth_list: if char == char2: print('This value ** {0} ** of random lists are the same ! '.format(char)) ``` This is my code which includes two random lists and a for loop for taking same elements in both of them . But at line 32 and 33 I got an error while defining name of random lists which I defined earlier . So , I hope that you can help me get along with this code finally . Thanks ichabod801 Bunny Rabbit Posts: 4,231 Threads: 94 Joined: Sep 2016 Reputation: 272 Likes received: 1264 #2 Mar-18-2019, 02:36 PM You need to assign the return value of a function in the module scope if you want to use it there: ```third_list = RAND(start, finish, num) print(third_list) ```It looks like your two rand functions are pretty much the same, except for the confusion about how names work (names created in the function are only available in the function). So you could just do this: ```third_list = RAND(start, finish, num) fourth_list = RAND(start, finish, num) ``` Craig "Ichabod" O'Brien - xenomind.com I wish you happiness. Recommended Tutorials: BBCode, functions, classes, text adventures « Next Oldest | Next Newest »

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