Type correction for the output of math.sqrt()

Both in Python 2.7.10 and Python 3.6.5, math.sqrt() returns a float and not int. It seems like a tiny thing but sometimes may lead up to bigger confusions. For example: https://stackoverflow.com/questions/54474037/why-are-the-following-codes-giving-me-different-output-square-root-big-numbers/54475501#54475501

python.html.markdown

@@ -661,7 +661,7 @@ i.age  # => raises an AttributeError
 # You can import modules
 import math
 
-print math.sqrt(16)  # => 4
+print math.sqrt(16)  # => 4.0
 
 # You can get specific functions from a module
 from math import ceil, floor