Area Calculator

print "Select shape:"
print "1 rectangle"
print "2 Circle"
print "3 Triangle"
shape=input("> ")
if shape==1:
    l=input("Length:")
    b=input("breadth:")
    area=l*b
    print "The area of rectangle is", area
if shape==2:
    r=input("radius:")
    area=3.14*r*r
    print "The area of circle is", area
if shape==3:
    b=input("b:")
    h=input("h:")
    area=0.5*b*h
    print "The area of Triangle is", area