math.sqrt()

Returns the square root of numeric input x.

math.sqrt(x)

If input x is a negative value, .sqrt() will return a ValueError: math domain error.

Use math.sqrt() to return the square root of integer 5:

import math

print(math.sqrt(5))

# Output: 2.23606797749979

Use math.sqrt() to return the square root of the float 5.5:

import math

print(math.sqrt(5.5))

# Output: 2.345207879911715