  
 #ex1 
  
 def function_name():

 return "Hello Python From Inside Function"

print(function_name())


#ex2
a, b, c = "batool", "tala", "rahaf"

def say_hello(n):

  print(f"Hello {n}")

say_hello(a)
say_hello(b)
say_hello(c)

#ex3
def addition(n1, n2, n3 ,n4):

  print(n1 + n2 +n3+n4)

addition(100, 300, 100, 92.5)


#ex4
def addition(n1, n2):

  print(n1-n2 )

addition(2021, 2000)







