student_info.py

最新推荐文章于 2024-09-25 17:40:04 发布

wxinbeings

最新推荐文章于 2024-09-25 17:40:04 发布

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分类专栏： Personal Project 文章标签： student_info

本文链接：https://blog.youkuaiyun.com/wxinbeings/article/details/80024790

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本文介绍了一个简单的学生信息管理系统，包括添加、展示、删除、修改学生信息等功能，并提供了按成绩和年龄排序的功能。

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import time

def show_menu():
    print("\n\t\t            \033[1;31mCHOICE MENU\033[0m")
    print('\t\t+--------------------------------------+')
    print('\t\t| 1) Add Student Info.                 |')
    print('\t\t| 2) Show All Info.                    |')
    print('\t\t| 3) Delete Info.                      |')
    print('\t\t| 4) Modify Info.                      |')
    print('\t\t| 5) Sort Info. with Score(High to Low)|')
    print('\t\t| 6) Sort Info. with Score(Low to High)|')
    print('\t\t| 7) Sort Info. with Age(Old to Young) |')
    print('\t\t| 8) Sort Info. with Age(Young to Old) |')
    print('\t\t| 9) Quit System                       |')
    print('\t\t+--------------------------------------+')

def input_student(lst):
    print("\n\t\t\033[1;32mYou are inputting student's info.\033[0m")
    item_lst = ['name','age','score'] 
    while True:
        info_dict = {}
        for i in item_lst:
            temp = input("\t\tPlease input student's \033[1;31m%s\033[0m:" % i)
            if temp.isnumeric():
                temp = int(temp)
            info_dict[i] = temp
            if info_dict['name'] == '':
                return 
        print()
        lst.append(info_dict)

def output_student(lst):
    print("\n\t\t\t\033[1;32mStudents' Info. List\033[0m")
    item_lst = ['name','age','score']
    string1 = ''
    string2 = ''
    for i in range(len(item_lst)):
        string1 += '+' + '-'*10
        string2 += '|'+ item_lst[i].center(10)
    print('\t\t' + string1 + '+\t\t\t')
    print('\t\t' + string2 + '|\t\t\t')
    print('\t\t' + string1 + '+\t\t\t')
    for info in lst:
        string3 = ''
        for i in range(len(item_lst)):
            string3 += '|' + str(info[item_lst[i]]).center(10)
        print('\t\t' + string3 + '|\t\t\t')
    print('\t\t' + string1 + '+\t\t\t')

def delete_student(lst):
    print("\n\t\t\033[1;32mYou are deleting a student's info.\033[0m")
    while True:
        name = input("\t\tPlease input the student's \033[1;31mname\033[0m:")
        for info in lst:
            if info['name'] == name:
                lst.remove(info)
                print("\t\t\t\033[1;31mDeletion Successful!\033[0m")
                conti = input("\t\t\033[1;34mInput 'c' to continue deleting:\033[0m")
                if conti != 'c':
                    print("\t\t\t\033[1;31mDeletion end!\033[0m")
                    return
                else:
                    break
        else:
            print("\t\t\033[1;31mCan't Find the Student's Info.\033[0m")

def modify_student(lst):
    print("\n\t\t\033[1;32mYou are modifying a student's info.\033[0m")
    name = input("\t\tPlease input the student's \033[1;31mname\033[0m:")
    for info in lst:
        if info['name'] == name:
            while True:
                temp = input("\t\tPlease input the \033[1;31mitem\033[0m to modify:")
                if temp not in info:
                    print("\t\t\033[1;31mItem Error, Modification Interrupted!\033[0m")
                    continue
                value = input("\t\tThe \033[1;31mnew value\033[0m is:")
                info[temp] = value
                print("\t\t\t\033[1;31mModification Successful!\033[0m")
                conti = input("\t\t\033[1;34mInput 'c' to continue modifying:\033[0m")
                if conti != 'c':
                    print("\t\t\t\033[1;31mModification end!\033[0m")
                    return
    else:
        print("\t\t\033[1;31mCan't Find the Student's Info.\033[0m")

def score_sort_high(lst):
    new_lst = sorted(lst,key=lambda i: i['score'],reverse=True)
    output_student(new_lst)
    print("\t\tSorted with score (high to low)")

def score_sort_low(lst):
    new_lst = sorted(lst,key=lambda i: i['score'])
    output_student(new_lst)
    print("\t\tSorted with score (low to high)")

def age_sort_old(lst):
    new_lst = sorted(lst,key=lambda i: i['age'],reverse=True)
    output_student(new_lst)
    print("\t\tSorted with age (old to young)")

def age_sort_young(lst):
    new_lst = sorted(lst,key=lambda i: i['age'])
    output_student(new_lst)
    print("\t\tSorted with age (young to old)")

def main():
    lst = []
    while True:
        time.sleep(2)
        show_menu()
        n = input("\t\t\033[1;31mYour Choice:\033[0m")
        if n == '1':
            input_student(lst)
        elif n == '2':
            output_student(lst)
        elif n == '3':
            delete_student(lst)
        elif n == '4':
            modify_student(lst)
        elif n == '5':
            score_sort_high(lst)
        elif n == '6':
            score_sort_low(lst)
        elif n == '7':
            age_sort_old(lst)
        elif n == '8':
            age_sort_young(lst)
        elif n == '9':
            return 
        else:
            print("\t\t\t\033[1;31mEROOR INPUT!\033[0m")

if __name__ == '__main__':
    main()