#create a function to perform factorial of
num=int(input("enter number"))
def fact(num):
  fact=1
  for i in range(1,(num+1)):
    fact=fact*i
  print(fact)


  fact(num)


  #functions with arguments and return values
  #150 250

  def add(num1,num2):
      res=num1+num2#400
      return res#400
  data=add
print(data)
  )