Keep values that appear once in each list

Write a Python program to remove every value that is repeated inside each list value.

{"marks1": [23, 28, 23, 69], "marks2": [25, 14, 25]}

{'marks1': [28, 69], 'marks2': [14]}

Approach

1. For each list keep items whose count is 1.

Solution

d = {"marks1": [23, 28, 23, 69], "marks2": [25, 14, 25]}print({k: [x for x in v if v.count(x) == 1] for k, v in d.items()})

{'marks1': [28, 69], 'marks2': [14]}

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