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Merge pull request #247 from abdnh/patch-1

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Fix typo
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Satwik Kansal 2021-02-03 07:24:33 +00:00 committed by GitHub
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@ -1027,7 +1027,7 @@ The values of `x` were different in every iteration prior to appending `some_fun
* When defining a function inside a loop that uses the loop variable in its body, the loop function's closure is bound to the *variable*, not its *value*. The function looks up `x` in the surrounding context, rather than using the value of `x` at the time the function is created. So all of the functions use the latest value assigned to the variable for computation. We can see that it's using the `x` from the surrounding context (i.e. *not* a local variable) with: * When defining a function inside a loop that uses the loop variable in its body, the loop function's closure is bound to the *variable*, not its *value*. The function looks up `x` in the surrounding context, rather than using the value of `x` at the time the function is created. So all of the functions use the latest value assigned to the variable for computation. We can see that it's using the `x` from the surrounding context (i.e. *not* a local variable) with:
```py ```py
>>> import inspect >>> import inspect
>>> inspect.getclosurevals(funcs[0]) >>> inspect.getclosurevars(funcs[0])
ClosureVars(nonlocals={}, globals={'x': 6}, builtins={}, unbound=set()) ClosureVars(nonlocals={}, globals={'x': 6}, builtins={}, unbound=set())
``` ```
Since `x` is a global value, we can change the value that the `funcs` will lookup and return by updating `x`: Since `x` is a global value, we can change the value that the `funcs` will lookup and return by updating `x`: