## abs max

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```
from typing import List
def abs_max(x: List[int]) -> int:
"""
>>> abs_max([0,5,1,11])
11
>>> abs_max([3,-10,-2])
-10
"""
j = x[0]
for i in x:
if abs(i) > abs(j):
j = i
return j
def abs_max_sort(x):
"""
>>> abs_max_sort([0,5,1,11])
11
>>> abs_max_sort([3,-10,-2])
-10
"""
return sorted(x, key=abs)[-1]
def main():
a = [1, 2, -11]
assert abs_max(a) == -11
assert abs_max_sort(a) == -11
if __name__ == "__main__":
main()
```