from functools import wraps import math def overloaded(func):

@wraps(func)

def overloaded_funcfargs, **kwargs):

for f in overloaded_func.overloads:

try:

return ff args, **kwargs)

except TypeError:

pass 1

else:

# it will be nice if the error message prints a list of

# possible signatures here raise

TypeError(“No compatible signatures”)

def overload_with(func):

overloaded_func.overloads.append(func)

return overloaded_func

overloaded_func.overloads = [func]

overloaded_func.overload_with = overload_with

return overloaded_func #############

@overloaded

def volume():

print ‘Volume’

pass

@volume.overload_with def _(a):

print ‘Volume of cube=’,a*a*a, ‘cubic units’

pass

@volume.overload_with def _(a,b):

print ‘Volume of cylinder, 3.14*a*a*b,‘cubic units’

pass

@volume.overload_with def _(a,b,c):

print ‘Volume of cuboid=’, a*b*c, ‘cubic units’

pass

choice = input(“Enter 1-cube 2-cylinder 3-cuboid”)

if choice==1:

side = input(“Enter side”)

volume (side)

elif choice ==2:

radius = input(“Enter radius”)

height = input( “Enter height”)

volume(radius,height)

elif choice==3:

length = input(“Enter length”)

breadth = input(“Enter breadth”)

height = input(“Enter height”)

volume (length, breadth, height)

else:

print “Invalid choice”