invert dictionary python
inv_map = {v: k for k, v in my_map.items()}invert dictionary python
inv_map = {v: k for k, v in my_map.items()}how to reverse a dictionary in python
def inverse_dict(my_dict):
"""
the func get a dictinary and reverse it, the keys become values and the values become keys.
:param my_dict: the dictinary that need to be reversed.
:return: a VERY pretty dictionary.
"""
result_dict = {}
for key, value in my_dict.items():
if not value in result_dict.keys():
result_dict[value] = []
result_dict[value].append(key)
return result_dict, print(result_dict)Copyright © 2021 Codeinu
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