def absmax(a: int, b: int) -> int:
"""
Return a max value of two inputs.
Absolute values of the inputs are
used when comparing.
Returns original (non-absolute)
value.
"""
return max((a, b), key=abs)
def longer(a: str, b: str) -> str:
"""Return the longest string."""
return max((a, b), key=len)
Return sum.
Returns sum.