how to add keys to an empty dictionary python code example

Example 1: add new keys to a dictionary python

d = {'key':'value'}
print(d)
# {'key': 'value'}
d['mynewkey'] = 'mynewvalue'
print(d)
# {'mynewkey': 'mynewvalue', 'key': 'value'}

Example 2: adding one element in dictionary python

mydict = {'score1': 41,'score2': 23}
mydict['score3'] = 45			# using dict[key] = value
print(mydict)