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 vote323 views1 answer
Matplotlib draw line x1, y1
Python
8 votes310 views6 answers
Declare variable in python
Python
2 votes323 views2 answers
Background image in python
Python
2 votes312 views1 answer
Python pip graphviz
Python
1 vote359 views1 answer
Print console sys.stdout
Python
0 vote309 views1 answer
Reportlab page size a4
Python
0 vote318 views1 answer
Extract bounding boxes OpenCV
Python
1 vote327 views1 answer
Selenium api
Python
0 vote281 views2 answers
Generate random phone number python
Python
1 vote311 views2 answers
Python Non-UTF-8 code starting with
Python