add new value to 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: how to add an item to a dictionary in python

a_dictonary = {}
a_dictonary.update({"Key": "Value"})

Example 3: add value to dictionary python

dict[key] = value

Example 4: append dictionary python

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

Example 5: add values to dictionary key python

key = "somekey"
a.setdefault(key, [])
a[key].append(2)