# write your Python code here
#input

gradelist = []
for i in range (3):
  marks = input ("Enter your marks\n")
  print(marks)

  marksInt  = int(marks)

  grade = ''

  if marksInt < 40:
    grade = 'D'
  elif marksInt < 60:
    grade = 'C'
  elif marksInt < 80:
    grade = 'B'
  else:
    grade = 'A'

  print( "your grade is ")
  print (grade)
  
student = { "name": "Piyush", "grade": 'A' }
student2 = { "name": "Shorya", "grade": 'B' }
student3 = { "name": "Anish", "grade": 'C' }

print(student)
print(student2["name"])
print(student3)