# Command: 
personal_data = {'age': 30, 'pets': [0, 1, 2], 'drinks': ['coffee', 'tea']}
personal_data
{'age': 30, 'pets': [0, 1, 2], 'drinks': ['coffee', 'tea']}
# Command: 
personal_data.keys()
dict_keys(['age', 'pets', 'drinks'])
# Command: 
personal_data.values()
dict_values([30, [0, 1, 2], ['coffee', 'tea']])
# Command: 
type(personal_data)
dict
# Command: 
personal_data['age']
30
# Command: 
personal_data['pets']
[0, 1, 2]
# Command: 
personal_data['drinks']
['coffee', 'tea']
# Command: 
personal_data['age'] = 40
personal_data
{'age': 40, 'pets': [0, 1, 2], 'drinks': ['coffee', 'tea']}
# Command: 
personal_data['sport'] = 'Chess'
personal_data
{'age': 40, 'pets': [0, 1, 2], 'drinks': ['coffee', 'tea'], 'sport': 'Chess'}
# Command: 
del personal_data['sport']
personal_data
{'age': 40, 'pets': [0, 1, 2], 'drinks': ['coffee', 'tea']}