查看变量

vars()
{'__name__': '__main__', '__doc__': None, '__package__': None, '__loader__': <class '_frozen_importlib.BuiltinImporter'>, '__spec__': None, '__annotations__': {}, '__builtins__': <module 'builtins' (built-in)>, 'a': 8, 'b': 'n', 'c': 'string'}

>>> vars()['a']
8
>>> b = 'n'
>>> c = 'string'
>>> vars
<built-in function vars>