function to calculate arc length
def arcLength ( diameter , angle ) : NEW_LINE INDENT if angle >= 360 : NEW_LINE INDENT print ( " Angle ▁ cannot ▁ be ▁ formed " ) NEW_LINE return 0 NEW_LINE DEDENT else : NEW_LINE INDENT arc = ( 3.142857142857143 * diameter ) * ( angle / 360.0 ) NEW_LINE return arc NEW_LINE DEDENT DEDENT