Update abs_Max.py (TheAlgorithms#997)

* Update abs_Max.py

fix docstring for doctest to work properly (add space after >>>)

* Update abs_Max.py

maths/abs_Max.py

@@ -1,8 +1,10 @@
-def absMax(x):
+from typing import List 
+
+def abs_max(x: List[int]) -> int:
     """
-    #>>>absMax([0,5,1,11])
+    >>> abs_max([0,5,1,11])
     11
-    >>absMax([3,-10,-2])
+    >>> abs_max([3,-10,-2])
     -10
     """
     j =x[0]
@@ -11,15 +13,20 @@ def absMax(x):
             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]
-    print(absMax(a)) # = -11
-
+    assert abs_max(a) == -11
+    assert abs_max_sort(a) == -11
 
 if __name__ == '__main__':
     main()
 
-"""
-print abs Max
-"""