how to add key to existing key to dictionary python code example

Example 1: python3 add dictionary to dictionary

dict_1 = {"1":"a", "2":"b", "3":"c"}
dict_2 = {"4":"d", "5":"e", "6":"f"}

dict_1.update(dict_2) 
print(dict_1)
#Output = {"1":"a", "2":"b", "3":"c", "4":"d", "5":"e", "6":"f"}

Example 2: add value to dictionary python

dict[key] = value

Example 3: adding one element in dictionary python

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