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add return value which might be 0 (#20657)

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if the input in abs is 0, then the return can't always be a positive value. 0 is not a positive value
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Shane
2018-10-31 21:52:54 -04:00
committed by Tom
parent d6bbd72195
commit 522fce544e
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guide/english/python/abs-function/index.md
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@ -9,7 +9,7 @@ It takes one argument `x` - an integer, or decimal, or a complex number.
## Return Value
The return value would be a positive number. Even if complex number is passed, it would return its magnitude, computed as per complex number algebra.
The return value would be a positive number or zero. Even if complex number is passed, it would return its magnitude, computed as per complex number algebra.
## Code Sample
```python