human
Write me a code to program to calculate area of inner circle which passes through center of outer circle and touches its circumference and the other steps required given the following:
Program to calculate area of inner circle which passes through center of outer circle and touches its circumference | Function calculate the area of the inner circle.
the radius cannot be negative.
area of the circle.
Driver Code"
How can the above be solved in Python?
assistant
#Here is code to program to calculate area of inner circle which passes through center of outer circle and touches its circumference and the other steps required.
 def innerCirclearea ( radius ) :
	if ( radius < 0 ) :
		return - 1 ;
	r = radius / 2 ;
	Area = ( 3.14 * pow ( r , 2 ) ) ;
	return Area ;
if __name__ == " _ _ main _ _ " :
	radius = 4 ;
	print ( " Area ▁ of ▁ circle ▁ c2 ▁ = " , innerCirclearea ( radius ) ) ;