python remove a key from a dictionary
# Basic syntax:
del dictionary['key']
# Example usage:
dictionary = {'a': 3, 'b': 2, 'c': 3, 'd': 4, 'e': 5}
del dictionary['c'] # Remove the 'c' key:value pair from dictionary
dictionary
--> {'a': 3, 'b': 2, 'd': 4, 'e': 5}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')python delete value from dictionary
dict = {'an':30, 'example':18}
#1 Del
del dict['an']
#2 Pop (returns the value deleted, but can also be used alone)
#You can optionally set a default return value in case key is not found
dict.pop('example') #deletes example and returns 18
dict.pop('test', 'Key not found') #returns 'Key not found'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}Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
