Invert a dictionary python

Invert dictionary python

inv_map = {v: k for k, v in my_map.items()}

Source: stackoverflow.com

Invert dictionary python

orig = { 1:'A',  2:'B',  3:'C' }
new = dict(zip(orig.values(), orig.keys()))
new == {'A': 1, 'B': 2, 'C': 3} #True

Invert a dictionary python

d = {'a':1, 'b':2, 'c':3}
inverted_d = {}

for k, v in d.items():
  inverted_d[v] = k

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)

Similar codes

0 vote134 views1 answer
Python series get value
Python
74 votes134 views6 answers
Clear screen python
Python
0 vote163 views1 answer
Adding column to CSV Dictreader
Python
0 vote161 views1 answer
Csgo force crosshair on sniper python
Python
2 votes137 views2 answers
Read csv and store in dictionary python
Python
21 votes133 views6 answers
Python linear regression
Python
1 vote171 views2 answers
Django sum get 0 if none
Python Django
0 vote139 views1 answer
Nornir config file
Python
0 vote141 views1 answer
Python structure like c
Python
0 vote139 views1 answer
First hitting time python
Python