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.
>>> a = 5
>>> a=5
>>> a
5
>>> a = 7
>>> a = 5
>>> b = 3
>>> first_number = 5
>>> second_number = 3
>>> 1st_number = 5
  File "<python-input-8>", line 1
    1st_number = 5
    ^
SyntaxError: invalid decimal literal
>>> _a = 6
>>> _a
6
>>> a = 6
>>> _a = 6
>>>
>>> FIRST_NUMBER = 6
>>> FIRST_NUMBER
6
>>> FIRST_NUMBER = 7
>>> First_number = 6
>>> First_Number = 6
>>>

Code