27 | Square root function
What it is is:
square_root.py
# This program demonstrates the sqrt function.
import math
def main():
# Get a number.
number = float(input('Enter a number: '))
# Get the square root of the number.
square_root = math.sqrt(number)
# Display the square root.
print(f'The square root of {number} is {square_root}.')
# Call the main function.
main()