text: def add(num1,num2):
      sum = 0
      sum = num1 + num2
      return sum
  
  def sub(num1,num2):
      diff = num1 - num2
      return diff
  
  #main starts from here
  alpha=10
  beta=20
  result=add(alpha,beta)
  print("sum is ",result)
  result=sub(alpha,beta)
  print("the difference is",result)
  
  
  eng1 = 250
  ind1 = 220
  eng2 = 180
  etot = add(eng1, eng2)
  india_need = sub(etot, ind1)
  ind_target = add(india_need, 1)
  print("need",ind_target,"to win")
  
  veg = 120
  fruits = 45
  cash = 200
  tot = add(veg, fruits)
  cashback = sub(cash,tot)
  print(" cash returned is",cashback)
  