How does python implement calls with similar delays

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Implement calls with similar delays

There is a mechanism for delaying calls in Golang. The keyword is defer, as shown below

The call to myfunc will be completed before the function returns, and even if you write a call to myfunc on the first line of the function, this is a delayed call. The output is as follows

AB

So is there such a mechanism in Python?

Of course, but it's not as simple as Golang.

We can use the Python context manager to achieve this effect

The output is as follows

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