python dict delete value code example

Example 1: python delete value from dictionary

dict.pop('key')

#optionally you can give value to return if key doesn't exist (default is None)
dict.pop('key', 'key not found')

Example 2: 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}