calculates the area of a triangle. def

#calculates the area of  a triangle.

def triangle_area():
    # asks the user for the height and base of a triangle
    input1 = input(" height of the triangle ")
    input2 = input ("base of a triangle ")
     #and then calculates
    area =float( input1) * float(input2) /2
    #and prints out its area
    print ( "the area of  a triangle is " + str(area) )

triangle_area()