how to add new elemnt to a key in python dict code example

Example 1: adding one element in dictionary python

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

Example 2: append dictionary python

>>> d1 = {1: 1, 2: 2}
>>> d2 = {2: 'ha!', 3: 3}
>>> d1.update(d2)
>>> d1
{1: 1, 2: 'ha!', 3: 3}