# Write your Python code here
print("Hello, Excelrs!")
 
 
 st1 = {
    name: "st1"
    div: "a"
 }

class student: 
    name,
    marks,
    div
    grade

    def isfailed():
       return ["marks"] < 40

    def beh1():


    def beh2():


st1  = student("st1",16, 'A'....)
st1.isfailed()

st1  = student("st1",16, 'A'....)
st1  = student("st1",16, 'A'....)
st1  = student("st1",16, 'A'....)


gradelist = []

def showtopper():
     topper = gradelist[0]
     print(topper)

def showfailed():
     failed =  gradelist[1]
     print(failed) 
def isfailed(st1):
    return st1["marks"] < 40

def getgrade(marksInt):
    grade = ''

    if marksInt < 45:
        grade = 'D'
    elif marksInt < 60:
        grade = 'C'
    elif marksInt < 80:
        grade = 'B'
    else:
        grade = 'A'
    return grade


for i in range(3):
    name = input("Enter your name\n")
    print(name)

    marks = input("Enter your marks\n")
    print(marks)

    marksInt = int(marks)
    
    grade = getgrade(marksInt)

    print("your grade is")
    print(grade)
    gradelist.append({ name: name, grade: grade })
    
print("gradelist")
print(gradelist)

showtopper()