Selective Import
from math import sqrt, pi
radius = 4.0
area = pi * radius**2
print(f"Area: {area:.2f}")
print(f"Square root of 81: {sqrt(81)}")
Area: 50.27
Square root of 81: 9.0
from math import sqrt, pi
radius = 4.0
area = pi * radius**2
print(f"Area: {area:.2f}")
print(f"Square root of 81: {sqrt(81)}")
Area: 50.27
Square root of 81: 9.0