関連ワード:  write a python function to calculate the area of circle    write a python function to calculate the area of a circle given its radius    write a python program that defines function to calculate area of circle    write a python program to calculate area of circle using function    using function in python write a program to calculate the area of circle square and triangle    write a program to calculate the area of a circle in python    write a program to find the area of a circle in python  
結果 : write a python function to calculate the area of circle