how to delete a key and value to a dictionary code example

Example 1: python delete key from dict

del dictionary['key']

Example 2: 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}

Example 3: 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 4: 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'