REPL

❯ uv run python
Python 3.14.3 (main, Feb  3 2026, 15:32:20) [Clang 17.0.0 (clang-1700.6.3.2)] on darwin
Type "help", "copyright", "credits" or "license" for more information.
>>> friends = {}
>>> type(friends)
<class 'dict'>
>>> friends = {"Ramasamy": "12345", "Munusamy": "45678", "Kandasamy": "56789"}
>>> friends
{'Ramasamy': '12345', 'Munusamy': '45678', 'Kandasamy': '56789'}
>>> len(friends)
3
>>> friends["Munusamy]
  File "<python-input-5>", line 1
    friends["Munusamy]
            ^
SyntaxError: unterminated string literal (detected at line 1)
>>> friends["Munusamy"]
'45678'
>>> friends["Munusamy"] = "78901"
>>> friends
{'Ramasamy': '12345', 'Munusamy': '78901', 'Kandasamy': '56789'}
>>> friends["Ponnusamy"] = "90123"
>>> friends
{'Ramasamy': '12345', 'Munusamy': '78901', 'Kandasamy': '56789', 'Ponnusamy': '90123'}
>>> del friends["Kandasamy"]
>>> friends
{'Ramasamy': '12345', 'Munusamy': '78901', 'Ponnusamy': '90123'}
>>> friends["Lal Bagadur Sastri"]
Traceback (most recent call last):
  File "<python-input-13>", line 1, in <module>
    friends["Lal Bagadur Sastri"]
    ~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
KeyError: 'Lal Bagadur Sastri'
>>> friends.get("Lal Bagadur Sastri")
>>> friends.get("Lal Bagadur Sastri", "I don't know")
"I don't know"
>>> friends.get("Munusamy", "I don't know")
'78901'
>>> friends.keys()
dict_keys(['Ramasamy', 'Munusamy', 'Ponnusamy'])
>>> friends.values()
dict_values(['12345', '78901', '90123'])
>>> friends.items()
dict_items([('Ramasamy', '12345'), ('Munusamy', '78901'), ('Ponnusamy', '90123')])
>>>

Code