import numpy as np

r = float(input('Skriv inn radius [m] her: '))

volum = (4*np.pi*r**3)/3
overflate = 4*np.pi*r**2

print('Overflaten [m^2] =',f'{overflate:.1f}',
      'og volumet [m^3] =', f'{volum:.1f}')