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 vote282 views1 answer
How to apply logarithm in pandas dataframe
Python
0 vote270 views1 answer
How to make curl request python
Python
0 vote261 views1 answer
Python return statemet
Python
1 vote262 views1 answer
In pandas how to start an index from a specific number
Python
59 votes257 views6 answers
How to clear console python
Python
0 vote292 views1 answer
Pyqgis
Python
0 vote273 views1 answer
Django oauth toolkit permanent access token
Python
2 votes254 views3 answers
Weather today
Python
1 vote280 views1 answer
How to save an image with the same name after editing in python pillow module
Python
0 vote275 views1 answer
Convert string input into a nested tuple in python
Python