How to assign values of one list to values of second list when their length is not equal?

Input is:

B = [1,2,3,4,5,6,7]
A = ['A','B','C']

Output should be:

C = {'A':[1,4,7], 'B':[2,5], 'C':[3,6]}

The length of lists are dynamic (not fixed) but length of list B is always going to be greater than length of list A.

>Solution :

You can do it with a dictionary comprehension and slicing:

{j: B[i::len(A)] for i, j in enumerate(A)}

Output:

{'A': [1, 4, 7], 'B': [2, 5], 'C': [3, 6]}

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