all — Easy Playground

List of public names exported by a module with 'from module import *'

Python Playground

# __all__ controls what 'from module import *' exports
# In a module, you would define:
# __all__ = ["public_func", "PublicClass"]
print("__all__ is typically defined at module level")
print("It restricts star imports to listed names only")
import math
print(hasattr(math, "__all__"))

Output

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__all__ is a special attribute that list of public names exported by a module with 'from module import *'.

Challenge

Try modifying the code above to explore different behaviors. Can you extend the example to handle a new use case?

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__all__ — Easy Playground

Challenge

all — Easy Playground