Grade

• Problem Description

  
  Write a program asks the user to enter a exam score, and then prints the grade (A/B/C/D) that corresponds to the score. 
  
  If the score that the user entered is less than 0 or greater than 100, the program prints an error message.
  Use the following grades
  A grade >=85
  B grade 70-85
  C grade 50-70
  D grade <50
  
  Mandatory:
  
  Use if and elif

• CODING ARENA

• a=int(input())

  if(a>=85 and a<=100):

      print("A")

  elif(a>=70 and a<85):

      print("B")

  elif(a>=50 and a<70):

      print("C")

  else:

      print("D")

• Test Case 1

  
  Input (stdin)

  85
  
  

  Expected Output

  A

• Test Case 2

  
  Input (stdin)

  78
  
  

  Expected Output

  B