Python 3.7.2 (tags/v3.7.2:9a3ffc0492, Dec 23 2018, 22:20:52) [MSC v.1916 32 bit (Intel)] on win32
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>>> pi = 3.141
>>> radius_of_circle = int(input("Radius = "))
Radius = 4
>>> area_of_circle = pi * (radius_of_circle ** 2)
>>> print(f"Area of circle = {round(area_of_circle)} metersquare")
Area of circle = 50 metersquare
>>> 
