How i can do the root square in Python?

Answer 1

print(4**0.5)

Answer 2

Or alternatively:

from math import sqrt
print(sqrt(4))

Also see lesson 5 of the Python for Beginners course.

Answer 3

You can use powering half.

X**2 means x*x
X**(1/2) means root x
So write x**0.5 to keep it simple.

Answer 4

Paul you know what! I never thought of that!