def happy_birthday(name, age): print (f" Happy Birthday to {name}") print (f"You are {age}years old") happy_birthday("Angus", "25") happy_birthday ("Bee", "30") happy_birthday("Chloe", "40") def add( x,y): z = x+y return z def sub(x,y): z = x-y return z def mult(x,y): z = x*y return z def divide(x,y): z= x/y return z print (add(6,4)) print (sub(6,4)) print (divide(6,4)) print (mult(6,4))