Python中def two of three

任务要求 评论①
　Fill in the blanks in the following function for adding a to the absolute value ofb,without calling abs. You may not modify any of the provided code other than the two blanks.
　　1. from operator import add,sub
　　2.
　　3. def a_plus_abs_b(a,b):
　　4. """Return a+abs(b),but with
![img](https://img-mid.csdnimg.cn/release/static/image/mid/ask/5785

文字也不完整，图片也没有，只能靠猜了

from operator import add, sub

def a_plus_abs_b(a, b):
    return add(a, sub(b, 0)) if b < 0 else add(a, b)

两个空如下，望采纳！！

if b < 0:
        f = sub
    else:
        f = add
    return f(a, b)

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