область круга в питоне
#Area Of A Circle in python
R = int(input("Enter the radius of the circle: "))
PI = 22/7 #This is a constant
A = PI * R * R
print(A)
VinCoD
#Area Of A Circle in python
R = int(input("Enter the radius of the circle: "))
PI = 22/7 #This is a constant
A = PI * R * R
print(A)R = float(input())
Area = 3.14159 * R * R
print("A=%0.4f" %Area)import math
radius = 3
area = math.pi * radius * radius
# another way would be to set variable and round - rounded_area = round(area, 3)
print(f'The area of the circle is {area:.3f}')
# round answer to 3 decimal places