dict = {1 : 'one', 2 : 'two'}
# Print out the dict
print(dict)
# Add something to it
dict[3] = 'three'
# Print it out to see it has changed
print(dict)
# This automatically creates a new element where
# Your key = key, The value you want to input = value
dictionary_name[key] = value
default_data = {'item1': 1,
'item2': 2,
}
default_data.update({'item3': 3})
# or
default_data['item3'] = 3