Question

How to find and replace list elements with the index of other list items in Python

Answer 1

list_1 = [4, 7, 8, 50]
list_2 = [4, 4, 7, 8, 7, 4]

print(list_2)

enumerate_list = {k: i for i, k in enumerate(list_1)} 
print(enumerate_list)

list_2 = list(map(enumerate_list.get, list_2))

print(list_2)





'''
run:

[4, 4, 7, 8, 7, 4]
{4: 0, 7: 1, 8: 2, 50: 3}
[0, 0, 1, 2, 1, 0]

'''

 

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