Lab4x_Grade

def setup() :
  score=int(input())
  calculating(score)
  showscore(score)
def calculating(score) :
   if (score>=80) :
       print("Your grade is A ." )
   elif (score>=75) :
       print("Your grade is B+ ." )
   elif (score>=70) :
       print("Your grade is B ." )
   elif (score>=65) :
       print("Your grade is C+ ." )
   elif (score>=60) :
       print("Your grade is C ." )
   elif (score>=55) :
       print("Your grade is D+ ." )
   elif (score>=50) :
       print("Your grade is D ." )
   else :
       print("Your grade is F ." )
def showscore(score):
       print("Your score is ",score,".")
setup()