Complete the reverse_list() function that returns a new string list containing all contents in the parameter but in reverse order. Ex: If the input list is: ['a', 'b', 'c'] then the returned list will be: ['c', 'b', 'a'] Note: Use a for loop. DO NOT use reverse() or reversed(). This is my code so far: def reverse_list(letters):     for x in (letters):         letters.sort(reverse=True)         return letters if __name__ == '__main__':     ch = ['a', 'b', 'c']     print(reverse_list(ch)) # Should print ['c', 'b', 'a'] When submitting I get 4/10 and it says: Test input list ['a', 'b', 'c'] returns ['c', 'b', 'a'] Your output reverse_list() function reversed array incorrectly: ['c', 'b', 'a'] reverse_list() function should have returned: ['a', 'b', 'c']   Test input list ['a', 'b', 'c', 'd'], first element of returned list is ['d'] Your output First character of returned array should be a instead of d   Test empty input array TypeError: object of type 'NoneType' has no len()

C++ Programming: From Problem Analysis to Program Design
8th Edition
ISBN:9781337102087
Author:D. S. Malik
Publisher:D. S. Malik
Chapter17: Linked Lists
Section: Chapter Questions
Problem 18PE
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Complete the reverse_list() function that returns a new string list containing all contents in the parameter but in reverse order.

Ex: If the input list is:

['a', 'b', 'c']

then the returned list will be:

['c', 'b', 'a']

Note: Use a for loop. DO NOT use reverse() or reversed().

This is my code so far:

def reverse_list(letters):
    for x in (letters):
        letters.sort(reverse=True)
        return letters
if __name__ == '__main__':
    ch = ['a', 'b', 'c']
    print(reverse_list(ch)) # Should print ['c', 'b', 'a']

When submitting I get 4/10 and it says:

Test input list ['a', 'b', 'c'] returns ['c', 'b', 'a']
Your output
reverse_list() function reversed array incorrectly: ['c', 'b', 'a'] reverse_list() function should have returned: ['a', 'b', 'c']
 
Test input list ['a', 'b', 'c', 'd'], first element of returned list is ['d']
Your output
First character of returned array should be a instead of d
 
Test empty input array
TypeError: object of type 'NoneType' has no len()

 

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