Python;计算每个学生的三个年级的平均值

Question

我必须编写代码来计算每个学生的三个年级的平均值，并根据得到的平均成绩显示一条消息。

该计划需要能够处理任何数量的学生;但每个学生只有3个等级。我必须使用一种方法来计算每个学生的平均分数，并根据平均值确定适当的信息。

这是我到目前为止的代码，我坚持：

def main(): 
    more = 'y' 

    while more == 'y' and more == 'Y': 
     numScore = int(input('How many test score per student: ')) 

    for numtest in range(numScore): 
     print ("The score for test") 
     score = int(input(': ')) 

     total += score 

    total = 0 

    print ("Student number", students + 1) 
    print ('-----------------------------------------') 

    avg = getAvg(numScore) 

    if avg > 90: 
     print ("You're doing excellent work") 
    elif avg > 85 and avg <= 90: 
     print("You are doing pretty good work") 
    elif avg > 70 and avg <= 85: 
     print ("You better get busy") 
    else: 
     print ("You need to get some help") 

def getAvg (numScore): 
    avg = total/numScore 

    print ("The average for student number", student + 1, \ "is:", avg) 

more = input('Do you want to enter another student test score and get the average score of the student (Enter y for yes and n for no): ') 

main() 

Answer 1

你有最脚本正确的元素，但你需要更多地考虑一切的秩序。

确保您传递了函数所需的任何参数。您的getAvg函数需要三个参数来计算平均值并将其与学生号一起显示。你也忘了返回average。

当计算avg范围，如果为>90第一测试，然后根据定义下一elif avg > 85将小于或等于90所以它仅需要然后测试>85。

下已经重新安排了一下工作：

def getAvg(student, total, numScore): 
    average = total/numScore 
    print ("The average for student number", student, "is:", average) 
    return average 

def main(): 
    student = 0 
    more = 'y' 

    while more == 'y': 
     student += 1 
     total = 0 

     numScore = int(input('How many test scores per student: ')) 

     for test_number in range(numScore): 
      print ("The score for test", test_number+1) 
      score = int(input(': ')) 
      total += score 

     print ("Student number", student) 
     print ('-----------------------------------------') 

     avg = getAvg(student, total, numScore) 

     if avg > 90: 
      print ("You're doing excellent work") 
     elif avg > 85: 
      print("You are doing pretty good work") 
     elif avg > 70: 
      print ("You better get busy") 
     else: 
      print ("You need to get some help") 

     print() 
     print('Do you want to enter another student test score and get the average score of the student?') 
     more = input('Enter y for yes, and n for no: ').lower() 

main() 

给你以下类型的输出：

How many test scores per student: 3 
The score for test 1 
: 93 
The score for test 2 
: 89 
The score for test 3 
: 73 
Student number 1 
----------------------------------------- 
The average for student number 1 is: 85.0 
You better get busy 

Do you want to enter another student test score and get the average score of the student? 
Enter y for yes, and n for no: n