让用户输入周一到周五的课程名称，每天的课程依次输入，逗号隔开
程序输出课程表表格如下：

---------------------------------
周一	周二	周三	周四	周五
语文	数学	体育	英语	道德
数学	数学	语文	英语	体育
数学	数学	语文	英语	体育
语文	数学	体育	英语	道德
---------------------------------

用户可以查询某一天的第几节课。

实现

题目要求已实现，并且使用转为json格式存入本目录.cs文件。

#!/usr/bin/env python3
#-*- coding:utf-8 -*-
import json
from functools import reduce
#Class name data file's location and name
CS_FILE="./.cs"
#I know that using two-dimension is better than this way,but I just want to practice the function of 'zip'.
CLASS_SCHEDULE={}
CLASS_NAME=[[],[],[],[],[]]
WEEK_NAME=['Monday','Tuesday','Wednesday','Thursday','Friday']
#Integrate date
def init():
    global CLASS_SCHEDULE
    #'zip' function will match location of each elements of list to integrate a object whose type is dict.
    CLASS_SCHEDULE=dict(zip(WEEK_NAME,CLASS_NAME))
def mainView():
    print(f"{'CLASS SCHEDULE BY JASON':#^50s}")
    print(f"{'':#^50s}")
    print(f"{'1.PREVIEW 2.INPUT 3.MODIFY 4.QUERY 5.SAVE 6.EXIT':#^50s}")
    print(f"{'':#^50s}")
    print(f"{'':#^50s}")
#Fill space
#return row count.
def addSpace(className):
    maxRow=len(max(*className,key=len))
    for x in className:
        while len(x)<maxRow:
            x.append(f"{'':^10s}")
    return maxRow
def preview():
    i=0
    row=addSpace(CLASS_NAME)
    print(f"{'':-^50}")
    #Day Title
    print(reduce(lambda x,y:f"{x:^10s}"+f"{y:^10s}",WEEK_NAME))
    #Using two-dimension will be better than this way.
    while i<row:
        for k,v in CLASS_SCHEDULE.items():
            print(f"{v[i]:^10s}",end='')
        print()
        i+=1
    print(f"{'':-^50}")
def inputClass():
    while True:
        #Actully,using 'if else' is better than this way,because the dict's 'get' function or 'in' keyword isn't to raise exception in default way.
        try:
            i=1
            tempClassLS=[]
            dayName=input(f"[ROOT/INPUT]{'>':#>2s}Please input the day name of that you want to add class:")
            if dayName not in CLASS_SCHEDULE:
                raise Exception('error by Jason.')
            while True:
                tempClassName=input(f"[ROOT/INPUT]{'>':#>2s}Please input the lesson-{i}'s name :")
                tempClassLS.append(tempClassName)
                userIntention=input(f"[ROOT/INPUT]{'>':#>2s}Continue to add on {dayName}?[y/n|yes/no]:")
                #Up to now,I haven't found the 'equal' function as Java in python environment.
                if userIntention=="yes" or userIntention=="y":
                    i+=1
                    continue
                else:
                    break
            #Don't assign value to this element directly,because it will cause address different between 'CLASS_SCHEDULE' and 'CLASS_NAME'
            CLASS_SCHEDULE[dayName].clear()
            CLASS_SCHEDULE[dayName].extend(tempClassLS)
            userIntention=input(f"[ROOT/INPUT]{'>':#>2s}Continue to add in other days?[y/n|yes/no]:")                                              #Up to now,I haven't found the 'equal' function as Java in python environment.
            if userIntention=="yes" or userIntention=="y":                          
                continue
            else:
                break
        except:
            print("Please input again!Such as 'Monday,Tuesday...'")
            continue
        finally:
            pass
#To return a object address for modify function will be better than this way which only used by one operation,but...I don't want to restructure it. I am a lazy boy,emm...
def query():
    params=input(f"[ROOT/QUERY]{'>':#>2s}Please input the specific date[DayName,LessonNumber]:").split(',')
    if params[0] in CLASS_SCHEDULE:
        if int(params[1]) <= len(CLASS_SCHEDULE[params[0]]):
            print(f"Class Name:{CLASS_SCHEDULE[params[0]][int(params[1])-1]}" if not CLASS_SCHEDULE[params[0]][int(params[1])-1].strip()=='' else "You don't have classes at this point-in-time.")
        else:
            print("You don't have classes at this point-in-time.")
    else:
        print("Please input again!Such as 'Monday,Tuesday...'")
        

def modify():
    params=input(f"[ROOT/MODIFY]{'>':#>2s}Please input the specific date[DayName,LessonNumber]:").split(',')
    CLASS_SCHEDULE[params[0]][int(params[1])-1]=input(f"[ROOT/MODIFY]{'>':#>2s}Please input class name:")

def main():
    mainView()
    readCS()
    init()
    while True:
        try:
            #'match' is new keyword in the environment of Python 3.10,if raise error,please upgrade your python environment or modify the syntax by yourself.
            match input(f"[ROOT]{'>':#>2s}Please input instruction:"):
                case '1':
                    preview()
                case '2':
                    inputClass()
                case '3':
                    modify()
                case '4':
                    query()
                case '5':
                    saveCS()
                case '6':
                    print("Good Bye!")
                    quit()
                case _:
                    print("Please input again!")

        except Exception as e:
            print("Input error! Please input it again.")
            #print("Error:",e)
            continue
        finally:
            pass

#--FILE OPERATION---
def saveCS():
    #The keyword 'with' is similar to Csharp's keyword 'using' which will always  close IO streem automatically.
    with open(CS_FILE,"w",encoding="utf-8") as f:
        #Serilization:Transform python object to json's format string directly,and write to file subsequently.
        json.dump(CLASS_NAME,f)
        print("Already saved!")
def readCS():
    #bind variable scope
    global CLASS_NAME
    try:
        with open(CS_FILE,'r',encoding="utf-8") as f:
            #Return python object directly.
            CLASS_NAME=json.load(f)
    except:
        pass
    finally:
        pass
#--------
#init()
#addSpace(CLASS_NAME)
#print(CLASS_NAME)
#preview()
#CLASS_NAME[0].append('hhhh')
#print(CLASS_SCHEDULE)
#saveCS()
main()

输出

#############CLASS SCHEDULE BY JASON##############
##################################################
#1.PREVIEW 2.INPUT 3.MODIFY 4.QUERY 5.SAVE 6.EXIT#
##################################################
##################################################
[ROOT]#>Please input instruction:2
[ROOT/INPUT]#>Please input the day name of that you want to add class:Monday
[ROOT/INPUT]#>Please input the lesson-1's name :Chinese
[ROOT/INPUT]#>Continue to add on Monday?[y/n|yes/no]:y
[ROOT/INPUT]#>Please input the lesson-2's name :Math
[ROOT/INPUT]#>Continue to add on Monday?[y/n|yes/no]:n
[ROOT/INPUT]#>Continue to add in other days?[y/n|yes/no]:y
[ROOT/INPUT]#>Please input the day name of that you want to add class:Friday
[ROOT/INPUT]#>Please input the lesson-1's name :Society
[ROOT/INPUT]#>Continue to add on Friday?[y/n|yes/no]:y
[ROOT/INPUT]#>Please input the lesson-2's name :English
[ROOT/INPUT]#>Continue to add on Friday?[y/n|yes/no]:y
[ROOT/INPUT]#>Please input the lesson-3's name :PPP
[ROOT/INPUT]#>Continue to add on Friday?[y/n|yes/no]:n
[ROOT/INPUT]#>Continue to add in other days?[y/n|yes/no]:n
[ROOT]#>Please input instruction:1
--------------------------------------------------
  Monday   Tuesday  Wednesday  Thursday   Friday
 Chinese                                 Society
   Math                                  English
                                           PPP
--------------------------------------------------
[ROOT]#>Please input instruction:4
[ROOT/QUERY]#>Please input the specific date[DayName,LessonNumber]:Friday,1
Class Name:Society
[ROOT]#>Please input instruction:A
Please input again!
[ROOT]#>Please input instruction:5
Already saved!
[ROOT]#>Please input instruction:6
Good Bye!

Q.E.D.