简单学生成绩分析系统

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我是靠谱客的博主顺利蓝天，这篇文章主要介绍简单学生成绩分析系统，现在分享给大家，希望可以做个参考。

存储50名学生的信息，包括：学号，姓名，语文成绩，
数学成绩，英语成绩（成绩为随机生成0-100之间的整数）
（1）计算每名同学的平均成绩并排序
（2）分别计算每门课程的平均分
（3）输出每门课程最高分，最低分学生名单，统计各分段
学生人数：0-59,60-69,70-79,80-89,90-100

复制代码

# @Time : 2020/10/5 18:04
# @Author : Yurken
# @File : 10.5日作业.py
import random

name = ['包乐山', '包咏琦', '杨强', '李晶晶', '於斌涛', '石卓', '贾玉盈', '石江南', '乔倩倩', '杨光', '王霖', '贺立松', '任可', '张翔', '王振强', '吕彦良',
        '黛肖黎', '秦斌', '包锐', '包礼军', '黄宁宁', '许杰', '吴娜', '后箫航', '杜玉曦', '赫倩倩', '杨玉倩', '张蕊', '王蕊蕊', '孝雪霞', '曹建', '曾嫖丽', '杜勇',
        '弥玉薇', '常睿娟', '后妙慧', '罗亚婷', '骆冰冰', '后田田', '包圆圆', '孙启浩', '周佳颖', '张孙辰', '黄砺锋', '周南', '严楚楚', '张乐缘', '刘瑛轩', '谭静',
        '吴逸菲']
num = [0] * 50  # 学号
f = 1804011001
for i in range(0, 50):
    num[i] = f + i
chinese = random.choices(range(0,100),k=50,weights=range(0,100))  # 随机生成语文成绩,成绩可重复，此随机方式导致每次都有不一样的成绩
math = random.choices(range(0,100),k=50,weights=range(0,100))   # 随机生成数学成绩
english = random.choices(range(0,100),k=50,weights=range(0,100))    # 随机生成英语成绩
information = [name, num, chinese, math, english] # 学生信息生成
avegrade=[0]*50
for i in range(0,50):
    avegrade[i]=(chinese[i]+math[i]+english[i])/3 # 计算语数英三科平均成绩
avegrade = [round(i,2) for i in avegrade] # 将总平均成绩保留两位小数
a=[None]*50
for i in range(0,50):
    a[i]=[name[i],num[i],avegrade[i]] # 将姓名，学号，总平均成绩合成a列表
b=sorted(a, key=lambda x:x[2], reverse=True) # 将a列表降序成为b列表
print("请选择你想要的操作：n"
      "1.查看学生信息n"
      "2.查看总平均成绩排序n"
      "3.查看语文成绩平均分n"
      "4.查看数学成绩平均分n"
      "5.查看英语成绩平均分n"
      "6.查看每门课程最低分名单n"
      "7.查看每门课程最高分名单n"
      "8.统计各分段学生人数n"
      "0.退出")
q=int(input())
while q!=0:
    if q==1:
        information=[None]*50
        for i in range(0, 50):
            information[i] = [name[i], num[i], chinese[i],math[i],english[i]]
        for i in information:
            print(" ".join(str(k) for k in i)) # 将学生信息以空格分隔输出
        print("请继续输入：")
        q = int(input())
    elif q == 2:
        for i in b:
            print(" ".join(str(k) for k in i))
        print("请继续输入：")
        q = int(input())
    elif q==3:
        avechinese =0
        for i in chinese:
           avechinese+=i
        avechinese=avechinese/50
        avechinese= round(avechinese,3)
        print("语文平均成绩为：",avechinese)
        print("请继续输入：")
        q = int(input())
    elif q==4:
        avemath = 0
        for i in math:
            avemath += i
        avemath = avemath / 50
        avemath= round(avemath,3)
        print("数学平均成绩为：",avemath)
        print("请继续输入：")
        q = int(input())
    elif q==5:
        avenglish = 0
        for i in english:
            avenglish += i
        avenglish = avenglish / 50
        avenglish= round(avenglish,3)
        print("英语平均成绩为：", avenglish)
        print("请继续输入：")
        q = int(input())
    elif q==6:
        print("语文最低分为：")
        aveyw1 = [None] * 50
        for i in range(0, 50):
            aveyw1[i] = [name[i],  chinese[i]]
        for i in range(0,50):
            yw=min(chinese)
            if yw==aveyw1[i][1]:
                print(aveyw1[i])
        print("数学最低分为：")
        avesx1 = [None] * 50
        for i in range(0, 50):
            avesx1[i] = [name[i], math[i]]
        for i in range(0, 50):
            sx = min(math)
            if sx == avesx1[i][1]:
                print(avesx1[i])
        print("英语最低分为：")
        aveyy1 = [None] * 50
        for i in range(0, 50):
            aveyy1[i] = [name[i], english[i]]
        for i in range(0, 50):
            yy = min(english)
            if yy == aveyy1[i][1]:
                print(aveyy1[i])
        print("请继续输入：")
        q = int(input())
    elif q==7:
        print("语文最高分为：")
        aveyw = [None] * 50
        for i in range(0, 50):
            aveyw[i] = [name[i],  chinese[i]]
        for i in range(0,50):
            yw=max(chinese)
            if yw==aveyw[i][1]:
                print(aveyw[i])
        print("数学最高分为：")
        avesx = [None] * 50
        for i in range(0, 50):
            avesx[i] = [name[i], math[i]]
        for i in range(0, 50):
            sx = max(math)
            if sx == avesx[i][1]:
                print(avesx[i])
        print("英语最高分为：")
        aveyy = [None] * 50
        for i in range(0, 50):
            aveyy[i] = [name[i], english[i]]
        for i in range(0, 50):
            yy = max(english)
            if yy == aveyy[i][1]:
                print(aveyy[i])
        print("请继续输入：")
        q = int(input())
    elif q==8:
        ywe=0
        ywd=0
        ywc=0
        ywb=0
        ywa=0
        for i in chinese:
            if 0<=i<=59:
                ywe+=1
            elif 60<=i<=69:
                ywd+=1
            elif 70<=i<=79:
                ywc+=1
            elif 80<=i<=89:
                ywb+=1
            elif 90<=i<=100:
                ywa+=1
        print('语文成绩分布：n0-59:',ywe,'人n60-69:',ywd,'人n70-79:',ywc,'人n80-89:',ywb,'人n90-100:',ywa,'人')
        sxa=sxb=sxc=sxd=sxe=0
        for i in math:
            if 0 <= i <= 59:
                sxe += 1
            elif 60 <= i <= 69:
                sxd += 1
            elif 70 <= i <= 79:
                sxc += 1
            elif 80 <= i <= 89:
                sxb += 1
            elif 90 <= i <= 100:
                sxa += 1
        print('数学成绩分布：n0-59:', sxe, '人n60-69:', sxd, '人n70-79:', sxc, '人n80-89:', sxb, '人n90-100:', sxa, '人')
        yya=yyb=yyc=yyd=yye=0
        for i in english:
            if 0 <= i <= 59:
                yye += 1
            elif 60 <= i <= 69:
                yyd += 1
            elif 70 <= i <= 79:
                yyc += 1
            elif 80 <= i <= 89:
                yyb += 1
            elif 90 <= i <= 100:
                yya += 1
        print('英语成绩分布：n0-59:', yye, '人n60-69:', yyd, '人n70-79:', yyc, '人n80-89:', yyb, '人n90-100:', yya, '人')
        print("请继续输入：")
        q = int(input())
    elif q==0:
        print('程序已结束！')
        break

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# @Time : 2020/10/5 18:04
# @Author : Yurken
# @File : 10.5日作业.py
import random

name = ['包乐山', '包咏琦', '杨强', '李晶晶', '於斌涛', '石卓', '贾玉盈', '石江南', '乔倩倩', '杨光', '王霖', '贺立松', '任可', '张翔', '王振强', '吕彦良',
        '黛肖黎', '秦斌', '包锐', '包礼军', '黄宁宁', '许杰', '吴娜', '后箫航', '杜玉曦', '赫倩倩', '杨玉倩', '张蕊', '王蕊蕊', '孝雪霞', '曹建', '曾嫖丽', '杜勇',
        '弥玉薇', '常睿娟', '后妙慧', '罗亚婷', '骆冰冰', '后田田', '包圆圆', '孙启浩', '周佳颖', '张孙辰', '黄砺锋', '周南', '严楚楚', '张乐缘', '刘瑛轩', '谭静',
        '吴逸菲']
num = [0] * 50  # 学号
f = 1804011001
for i in range(0, 50):
    num[i] = f + i
chinese = random.choices(range(0,100),k=50,weights=range(0,100))  # 随机生成语文成绩,成绩可重复，此随机方式导致每次都有不一样的成绩
math = random.choices(range(0,100),k=50,weights=range(0,100))   # 随机生成数学成绩
english = random.choices(range(0,100),k=50,weights=range(0,100))    # 随机生成英语成绩
information = [name, num, chinese, math, english] # 学生信息生成
avegrade=[0]*50
for i in range(0,50):
    avegrade[i]=(chinese[i]+math[i]+english[i])/3 # 计算语数英三科平均成绩
avegrade = [round(i,2) for i in avegrade] # 将总平均成绩保留两位小数
a=[None]*50
for i in range(0,50):
    a[i]=[name[i],num[i],avegrade[i]] # 将姓名，学号，总平均成绩合成a列表
b=sorted(a, key=lambda x:x[2], reverse=True) # 将a列表降序成为b列表
print("请选择你想要的操作：n"
      "1.查看学生信息n"
      "2.查看总平均成绩排序n"
      "3.查看语文成绩平均分n"
      "4.查看数学成绩平均分n"
      "5.查看英语成绩平均分n"
      "6.查看每门课程最低分名单n"
      "7.查看每门课程最高分名单n"
      "8.统计各分段学生人数n"
      "0.退出")
q=int(input())
while q!=0:
    if q==1:
        information=[None]*50
        for i in range(0, 50):
            information[i] = [name[i], num[i], chinese[i],math[i],english[i]]
        for i in information:
            print(" ".join(str(k) for k in i)) # 将学生信息以空格分隔输出
        print("请继续输入：")
        q = int(input())
    elif q == 2:
        for i in b:
            print(" ".join(str(k) for k in i))
        print("请继续输入：")
        q = int(input())
    elif q==3:
        avechinese =0
        for i in chinese:
           avechinese+=i
        avechinese=avechinese/50
        avechinese= round(avechinese,3)
        print("语文平均成绩为：",avechinese)
        print("请继续输入：")
        q = int(input())
    elif q==4:
        avemath = 0
        for i in math:
            avemath += i
        avemath = avemath / 50
        avemath= round(avemath,3)
        print("数学平均成绩为：",avemath)
        print("请继续输入：")
        q = int(input())
    elif q==5:
        avenglish = 0
        for i in english:
            avenglish += i
        avenglish = avenglish / 50
        avenglish= round(avenglish,3)
        print("英语平均成绩为：", avenglish)
        print("请继续输入：")
        q = int(input())
    elif q==6:
        print("语文最低分为：")
        aveyw1 = [None] * 50
        for i in range(0, 50):
            aveyw1[i] = [name[i],  chinese[i]]
        for i in range(0,50):
            yw=min(chinese)
            if yw==aveyw1[i][1]:
                print(aveyw1[i])
        print("数学最低分为：")
        avesx1 = [None] * 50
        for i in range(0, 50):
            avesx1[i] = [name[i], math[i]]
        for i in range(0, 50):
            sx = min(math)
            if sx == avesx1[i][1]:
                print(avesx1[i])
        print("英语最低分为：")
        aveyy1 = [None] * 50
        for i in range(0, 50):
            aveyy1[i] = [name[i], english[i]]
        for i in range(0, 50):
            yy = min(english)
            if yy == aveyy1[i][1]:
                print(aveyy1[i])
        print("请继续输入：")
        q = int(input())
    elif q==7:
        print("语文最高分为：")
        aveyw = [None] * 50
        for i in range(0, 50):
            aveyw[i] = [name[i],  chinese[i]]
        for i in range(0,50):
            yw=max(chinese)
            if yw==aveyw[i][1]:
                print(aveyw[i])
        print("数学最高分为：")
        avesx = [None] * 50
        for i in range(0, 50):
            avesx[i] = [name[i], math[i]]
        for i in range(0, 50):
            sx = max(math)
            if sx == avesx[i][1]:
                print(avesx[i])
        print("英语最高分为：")
        aveyy = [None] * 50
        for i in range(0, 50):
            aveyy[i] = [name[i], english[i]]
        for i in range(0, 50):
            yy = max(english)
            if yy == aveyy[i][1]:
                print(aveyy[i])
        print("请继续输入：")
        q = int(input())
    elif q==8:
        ywe=0
        ywd=0
        ywc=0
        ywb=0
        ywa=0
        for i in chinese:
            if 0<=i<=59:
                ywe+=1
            elif 60<=i<=69:
                ywd+=1
            elif 70<=i<=79:
                ywc+=1
            elif 80<=i<=89:
                ywb+=1
            elif 90<=i<=100:
                ywa+=1
        print('语文成绩分布：n0-59:',ywe,'人n60-69:',ywd,'人n70-79:',ywc,'人n80-89:',ywb,'人n90-100:',ywa,'人')
        sxa=sxb=sxc=sxd=sxe=0
        for i in math:
            if 0 <= i <= 59:
                sxe += 1
            elif 60 <= i <= 69:
                sxd += 1
            elif 70 <= i <= 79:
                sxc += 1
            elif 80 <= i <= 89:
                sxb += 1
            elif 90 <= i <= 100:
                sxa += 1
        print('数学成绩分布：n0-59:', sxe, '人n60-69:', sxd, '人n70-79:', sxc, '人n80-89:', sxb, '人n90-100:', sxa, '人')
        yya=yyb=yyc=yyd=yye=0
        for i in english:
            if 0 <= i <= 59:
                yye += 1
            elif 60 <= i <= 69:
                yyd += 1
            elif 70 <= i <= 79:
                yyc += 1
            elif 80 <= i <= 89:
                yyb += 1
            elif 90 <= i <= 100:
                yya += 1
        print('英语成绩分布：n0-59:', yye, '人n60-69:', yyd, '人n70-79:', yyc, '人n80-89:', yyb, '人n90-100:', yya, '人')
        print("请继续输入：")
        q = int(input())
    elif q==0:
        print('程序已结束！')
        break