deleting items from a dictionary in python code example

Example 1: python delete key from dict

del dictionary['key']

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)
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OUTPUT
{'one': 1, 'three': 3}