Untitled

def sum(x,y):
 sum=x+y
 print("sum of the num is",sum)
def diff(x,y):
 diff=x-y
 print("difference of the num is is",diff)
def mul(x,y):
 mul=x*y
 print("multiplication of the num",mul)
def div(x,y):
 div=x/y
 print("division of the num  is",div)
x=int(input("enter number1 "))
y=int(input("enter num2 "))
print("enter your choice")
print("1 for addition \n2 for substraction \n3 for multiplication\n4 for division")
n=int(input(""))
if n==1:
 sum(x,y)
elif n==2:
 diff(x,y)
elif n==3:
 mul(x,y)
elif n==4:
 div(x,y)
else:
    print("\n invalid choice")