add or remove keys and values to dictionary python code example

Example 1: python delete key from dict

del dictionary['key']

Example 2: python delete key from dictionary

>>> # initialise a dictionary with the keys “city”, “name”, “food”
>>> person1_information = {'city': 'San Francisco', 'name': 'Sam', "food": "shrimps"}

>>> # delete the key, value pair with the key “food”
>>> del person1_information["food"]

>>> # print the present personal1_information. Note that the key, value pair “food”: “shrimps” is not there anymore.
>>> print(person1_information)
{'city': 'San Francisco', 'name': 'Sam'}

Example 3: remove keys from dict python

''' 
Deleting an entry from dictionary using del 
'''
# If key exist in dictionary then delete it using del.
if "at" in wordFreqDic:
    del wordFreqDic["at"]
    
print("Updated Dictionary :" , wordFreqDic)