how to get cube root python

1a=125
2print(a**(1/3))

1# Check if the Square root of the First number is Equal to the Cube root of the Second number
2import math
3global x
4global y
5def check_square_and_cube(x, y):
6  sq_rt_x=math.sqrt(x)
7  cb_rt_y=(y**(1/3))
8  if sq_rt_x==cb_rt_y:
9    return True
10  else :
11    return False
12
13check_square_and_cube(9, 27)