python dict remove key value pair code example

Example 1: python delete key from dict

del dictionary['key']

Example 2: delete a key value pair from a dictionary in python

mydict = {'score1': 41, 'score2': 23, 'score3': 45}

del mydict['score2']
print(mydict)
{'score1': 41, 'score3': 45}

Example 3: python remove key from dict

my_dict.pop('key', None)

Example 4: how to remove an element from dictionary using his value python

a_dictionary = {"one": 1, "two" : 2, "three": 3}

desired_value = 2
for key, value in a_dictionary.items():
  if value == desired_value:
    del a_dictionary[key]
    break

print(a_dictionary)
--------------------------------------------------------------------------------
OUTPUT
{'one': 1, 'three': 3}