# -*- coding:utf-8 -*-
"""
@author:
@file :Classes.py
@time :2019/7/3 14:55
"""
"""
"""
class Person:
"""人员类"""
name = ''
age = 0
gender = ''
def __init__(self, n, a, g):
self.name = n
self.age = a
self.gender = g
class Student(Person):
"""学生类"""
studenno = ''
def __init__(self, n, a, g, s):
Person.__init__(self, n, a, g)
self.studenno = s
class Counsellor(Person):
"""辅导员类"""
employeeno = ''
def __init__(self, n, a, g, e):
Person.__init__(self, n, a, g)
self.employeeno = e
class ClassMath():
"""班级类"""
classname = ''
def __init__(self, cn):
self.classname = cn
self.student = Student
self.counsellor = Counsellor
按照题目要求编写的Python程序如下
class Grade(object):
def __init__(self,grade):
self.grade=grade
class Class(object):
def __init__(self,bclass):
self.bclass=bclass
class Teacher(Grade,Class):
def __init__(self,grade,bclass,subject,name):
Grade.__init__(self,grade)
Class.__init__(self,bclass)
self.subject=subject
self.name=name
def run(self):
print("老师的姓名%s,年级%s,班级%s,学科%s" %(self.name,self.grade,self.bclass,self.subject))
class Student(Grade,Class):
def __init__(self,grade,bclass,age,name):
Grade.__init__(self,grade)
Class.__init__(self,bclass)
self.age=age
self.name=name
def run(self):
print("学生的姓名%s,年龄%d,年级%s,班级%s" %(self.name,self.age,self.grade,self.bclass))
T=Teacher('五','3','数学','张三')
S=Student('四','2',10,'李四')
val=input("请输入打印老师(T),学生(S):")
if val=='T':
T.run()
else:
S.run()
源代码(注意源代码的缩进)
#创建班级分数字典，结构是字典套字典class_scores = {
----'xiaoming':{'数分1':88,'数分2':89,'统计学':97},
----'lihua': {'数分1': 98, '数分2': 99,'统计学':99},
----'laowang': {'数分1': 68, '数分2': 59,'统计学':67}
}
def get_subject_score(subject):
#输入课名，打印成绩排名和平均分
----subject_score = {}
----for student in class_scores.keys():
--------subject_score[student]=class_scores[student][subject]
----subject_score = sorted(subject_score.items(),key=lambda x:x[1],reverse=True)
----all_score = 0
----for a in subject_score:
--------print(a)
--------all_score += a[1]
----print('平均分%.2f'%(all_score/len(subject_score)))
def get_student_scores(student):
#输入学生名，打印成绩排名和平均分
----student_score = class_scores[student]
----student_score = sorted(student_score.items(),key=lambda x:x[1],reverse=True)
----all_score = 0
---- for a in student_score:
--------print(a)
--------all_score += a[1]
----print('平均分%.2f'%(all_score/len(student_score)))
#获取统计学的成绩
get_subject_score('统计学')
#获取老王的成绩
get_student_scores('laowang')
#添加新同学
class_scores['新同学']={'数分1': 66, '数分2': 77,'统计学':88}
#添加新课程
python_scores ={'xiaoming':78,'lihua':100,'laowang':15,'新同学':99}
for student,score in python_scores.items():
----class_scores[student]['python'] = score
print(class_scores)
#输出老王的几何学成绩
print(class_scores['laowang']['几何学'])
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