dict = {
"name": "Tom",
"age": 47,
"langauge": "python"}
print(dict)
dict['company'] = 'google'
dict['place'] = 'Mountain View'
print(dict)
'''
run:
{'name': 'Tom', 'age': 47, 'langauge': 'python'}
{'name': 'Tom', 'age': 47, 'langauge': 'python', 'company': 'google', 'place': 'Mountain View'}
'''