namespace tag

2 questions

1 answers
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What is the role of all in Python?

I'm studying Python. In the _init__.py file,__all__ <- I keep looking at itWhat do you use this for?

1 years ago

1 answers
66 views
0

Why don't you use using namespace std?

Why don't you write using namespace std;?Like std::out, std::cin, std::cin, I don't know why.Is it inefficient? Or is it because the variables are at risk of blurring?Does it affect the performance of...

c++ namespace std

1 years ago

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namespace tag

What is the role of __all__ in Python?

Why don't you use using namespace std?

What is the role of all in Python?