PYTHON程序设计期中作业

文章目录

PYTHON程序设计期中作业
- 题目要求
- 初版
- 第二版
- 第三版
- 第四版
- 终版

题目要求

代码及截图请参考终版

初版

设计了计算出勤率、总成绩和平均分的代码

#fo=open("D:\\coder\\randomnumbers\\成绩表 - 副本.csv","r",encoding="utf-8")
fr=open("D:\\coder\\randomnumbers\\成绩表 - 副本.csv","r",encoding="utf-8")
fw=open("D:\\coder\\randomnumbers\\grade.csv","w")
ls=[]
list=[]
for line in fr:line=line.replace("\n","")ls.append(line.split(","))
#print(ls)
def chuqingnum(a,b,c):num=(a+b+c)/3return num
def kaoqin(a,b,c):grade=10-(3-a-b-c)*3return gradedef zuoye(a,b,c):grade=((a+b+c)/3)*0.1return grade
def final(a,b,c,d):grade=(10-(3-a)*3)*1+(b)*0.1+c*0.2+d*0.4return grade
num,pingshi,qizhong,qimo=0,0,0,0
sum=0
for i in range(len(ls)):num=0pingshi=0for j in range(len(ls[i])):if ls[i][j].replace(".","").isnumeric():ls[i][j] = eval(ls[i][j])if j==1 or j==2 or j==3:num+=ls[i][j]elif j==4 or j==5 or j==6:pingshi+=ls[i][j]elif  j==7:qizhong=ls[i][j]elif j==8:qimo=ls[i][j]numrate=(num/3)*100#print(qizhong)chuqinglv="{:.2f}%".format(numrate)final1=final(num,pingshi,qizhong,qimo)sum+=final1final1 = "{:.2f}".format(final1)list.append(chuqinglv)list.append(final1)
list[0]='出勤率'
list[1]='总成绩'
list0=[]
list1=[]
list2=[]
for i in range(len(ls)):list0.append(ls[i][0])
#print(list0)
for i in range(len(list)):if i%2==0:list1.append(list[i])else:list2.append(list[i])
li=[[0]*3 for _ in range(len(list1))]
#print(li)for i in range(len(list1)):li[i][0]=(list0[i])li[i][1]=(list1[i])li[i][2]=(list2[i])li[-1][-2]='平均分'
sum=sum/(len(list1))
li[-1][-1]="{:.2f}".format(sum)
print(li)
for row in li:#print(row)#fw.write(",".join(row)+"\n")fw.write(",".join('%s' %id for id in row) + "\n")fr.close()
fw.close()

[[‘姓名’, ‘出勤率’, ‘总成绩’], [‘闵跃龙’, ‘100.00%’, ‘82.60’], [‘卢蓓蓓’, ‘100.00%’, ‘78.40’], [‘荣榕’, ‘100.00%’, ‘81.00’], [‘洪晨’, ‘33.33%’, ‘82.40’], [‘胡佳慧’, ‘100.00%’, ‘90.50’], [‘陈亚文’, ‘100.00%’, ‘91.40’], [‘曾小敏’, ‘100.00%’, ‘80.60’], [‘王松岩’, ‘100.00%’, ‘88.60’], [‘曹淑玲’, ‘66.67%’, ‘85.90’], [‘涂光超’, ‘100.00%’, ‘77.00’], [‘吴佳宁’, ‘100.00%’, ‘79.10’], [‘陈俊荣’, ‘66.67%’, ‘79.60’], [‘余倩瑶’, ‘100.00%’, ‘90.10’], [‘卓佼霏’, ‘66.67%’, ‘84.30’], [‘陈彩月’, ‘100.00%’, ‘85.00’], [‘陈昌祺’, ‘100.00%’, ‘85.50’], [‘朱文静’, ‘66.67%’, ‘85.40’], [‘阳宇’, ‘100.00%’, ‘85.60’], [‘覃莹’, ‘100.00%’, ‘85.00’], [‘’, ‘平均分’, ‘78.48’]]

第二版

简化了部分函数，将功能集成到一个函数中。

fr=open("D:\\coder\\randomnumbers\\成绩表 - 副本.csv","r",encoding="utf-8")
fw=open("D:\\coder\\randomnumbers\\grade.csv","w")
ls,list=[],[]for line in fr:line=line.replace("\n","")ls.append(line.split(","))def final(a,b,c,d):grade=(10-(3-a)*3)*1+(b)*0.1+c*0.2+d*0.4return grade
num,pingshi,qizhong,qimo,sum=0,0,0,0,0for i in range(len(ls)):num=0pingshi=0for j in range(len(ls[i])):if ls[i][j].replace(".","").isnumeric():ls[i][j] = eval(ls[i][j])if j==1 or j==2 or j==3:num+=ls[i][j]elif j==4 or j==5 or j==6:pingshi+=ls[i][j]elif  j==7:qizhong=ls[i][j]elif j==8:qimo=ls[i][j]numrate=(num/3)*100chuqinglv="{:.2f}%".format(numrate)final1=final(num,pingshi,qizhong,qimo)sum+=final1final1 = "{:.2f}".format(final1)list.append(chuqinglv)list.append(final1)list[0]='出勤率'
list[1]='总成绩'
list0,list1,list2=[],[],[]
for i in range(len(ls)):list0.append(ls[i][0])for i in range(len(list)):if i%2==0:list1.append(list[i])else:list2.append(list[i])
li=[[0]*3 for _ in range(len(list1))]for i in range(len(list1)):li[i][0]=(list0[i])li[i][1]=(list1[i])li[i][2]=(list2[i])li[-1][-2]='平均分'
sum=sum/(len(list1))
li[-1][-1]="{:.2f}".format(sum)
print(li)
for row in li:fw.write(",".join('%s' %id for id in row) + "\n")fr.close()
fw.close()

第三版

代码分为读入文件，定义函数和执行主程序三个部分，并增加了注释。

#定义打开和写入文件的路径
fr=open("D:\\coder\\randomnumbers\\成绩表 - 副本.csv","r",encoding="utf-8")
fw=open("D:\\coder\\randomnumbers\\grade.csv","w")#声明变量和定义函数
ls,list=[],[]
sum=0
def trans(l):    #将csv读入，转化，返回列表形式for line in l:line = line.replace("\n", "")ls.append(line.split(","))return lsdef final(a,b,c,d):   #计算总分的函数grade=(10-(3-a)*3)*1+(b)*0.1+c*0.2+d*0.4return gradedef main(ls):  #主函数，输入为处理好的列表，输出为列表形式的出勤率和总分qizhong,qimo,numerate=0,0,0global sumfor i in range(len(ls)):num=0pingshi=0for j in range(len(ls[i])):if ls[i][j].replace(".", "").isnumeric():ls[i][j] = eval(ls[i][j])if j == 1 or j == 2 or j == 3:num += ls[i][j]elif j == 4 or j == 5 or j == 6:pingshi += ls[i][j]elif j == 7:qizhong = ls[i][j]elif j == 8:qimo = ls[i][j]numrate = (num / 3) * 100chuqinglv = "{:.2f}%".format(numrate)final1 = final(num, pingshi, qizhong, qimo)sum += final1final1 = "{:.2f}".format(final1)list.append(chuqinglv)list.append(final1)sum = sum / (len(list) / 2)return listdef shuru(list):   #将个人姓名和汉字部分加入，计算班级平均分，形成能够被csv文件读写的列表形式list[0] = '出勤率'list[1] = '总成绩'list0, list1, list2 = [], [], []for i in range(len(ls)):list0.append(ls[i][0])for i in range(len(list)):if i % 2 == 0:list1.append(list[i])else:list2.append(list[i])li = [[0] * 3 for _ in range(len(list1))]for i in range(len(list1)):li[i][0] = (list0[i])li[i][1] = (list1[i])li[i][2] = (list2[i])li[-1][-2]='平均分'li[-1][-1]="{:.2f}".format(sum)return li
#主程序
trans(fr)
list=main(ls)li=shuru(list)
print(li) #检查输出内容
for row in li: #写入csv文件fw.write(",".join('%s' %id for id in row) + "\n")
fr.close()
fw.close()

[[‘姓名’, ‘出勤率’, ‘总成绩’], [‘闵跃龙’, ‘100.00%’, ‘82.60’], [‘卢蓓蓓’, ‘100.00%’, ‘78.40’], [‘荣榕’, ‘100.00%’, ‘81.00’], [‘洪晨’, ‘33.33%’, ‘82.40’], [‘胡佳慧’, ‘100.00%’, ‘90.50’], [‘陈亚文’, ‘100.00%’, ‘91.40’], [‘曾小敏’, ‘100.00%’, ‘80.60’], [‘王松岩’, ‘100.00%’, ‘88.60’], [‘曹淑玲’, ‘66.67%’, ‘85.90’], [‘涂光超’, ‘100.00%’, ‘77.00’], [‘吴佳宁’, ‘100.00%’, ‘79.10’], [‘陈俊荣’, ‘66.67%’, ‘79.60’], [‘余倩瑶’, ‘100.00%’, ‘90.10’], [‘卓佼霏’, ‘66.67%’, ‘84.30’], [‘陈彩月’, ‘100.00%’, ‘85.00’], [‘陈昌祺’, ‘100.00%’, ‘85.50’], [‘朱文静’, ‘66.67%’, ‘85.40’], [‘阳宇’, ‘100.00%’, ‘85.60’], [‘覃莹’, ‘100.00%’, ‘85.00’], [‘’, ‘平均分’, ‘78.48’]]

第四版

将所得数据写入初始表格。

#定义打开和写入文件的路径
fr=open("D:\\coder\\randomnumbers\\成绩表 - 副本.csv","r",encoding="utf-8")
fw=open("D:\\coder\\randomnumbers\\grade.csv","w")#声明变量和定义函数
ls,list=[],[]
sum=0
def trans(l):    #将csv读入，转化，返回列表形式for line in l:line = line.replace("\n", "")ls.append(line.split(","))return lsdef final(a,b,c,d):   #计算总分的函数grade=(10-(3-a)*3)*1+(b)*0.1+c*0.2+d*0.4return gradedef main(ls):  #主函数，输入为处理好的列表，输出为列表形式的出勤率和总分qizhong,qimo,numerate=0,0,0global sumfor i in range(len(ls)):num=0pingshi=0for j in range(len(ls[i])):if ls[i][j].replace(".", "").isnumeric(): #检查是否为数字ls[i][j] = eval(ls[i][j])if j == 1 or j == 2 or j == 3:num += ls[i][j]elif j == 4 or j == 5 or j == 6:pingshi += ls[i][j]elif j == 7:qizhong = ls[i][j]elif j == 8:qimo = ls[i][j]numrate = (num / 3) * 100chuqinglv = "{:.2f}%".format(numrate)final1 = final(num, pingshi, qizhong, qimo)sum += final1final1 = "{:.2f}".format(final1)list.append(chuqinglv)list.append(final1)sum = sum / (len(list) / 2)return listdef shuru(list,ls):   #将个人姓名和汉字部分加入，计算班级平均分，形成能够被csv文件读写的列表形式list[0] = '出勤率'list[1] = '总成绩'list1, list2 = [], []for i in range(len(list)):if i % 2 == 0:list1.append(list[i])else:list2.append(list[i])for i in range(len(list1)-1):ls[i].append(list1[i])ls[i].append(list2[i])ls[0].append('总成绩平均分')grades="{:.2f}".format(sum)ls[1].append(grades)return ls#主程序ls=trans(fr)
list=main(ls)
li=shuru(list,ls)
print(li) #检查输出内容
for row in li: #写入csv文件fw.write(",".join('%s' %id for id in row) + "\n")
fr.close()
fw.close()

[[‘姓名’, ‘考勤1’, ‘考勤2’, ‘考勤3’, ‘作业1’, ‘作业2’, ‘作业3’, ‘期中成绩’, ‘期末成绩’, ‘出勤率’, ‘总成绩’, ‘总成绩平均分’], [‘闵跃龙’, 1, 1, 1, 90, 80, 80, 78, 80, ‘100.00%’, ‘82.60’, ‘78.48’], [‘卢蓓蓓’, 1, 1, 1, 80, 72, 80, 82, 72, ‘100.00%’, ‘78.40’], [‘荣榕’, 1, 1, 1, 85, 75, 80, 85, 75, ‘100.00%’, ‘81.00’], [‘洪晨’, 1, 0, 0, 95, 85, 100, 82, 85, ‘33.33%’, ‘82.40’], [‘胡佳慧’, 1, 1, 1, 95, 88, 90, 90, 88, ‘100.00%’, ‘90.50’], [‘陈亚文’, 1, 1, 1, 100, 92, 90, 82, 92, ‘100.00%’, ‘91.40’], [‘曾小敏’, 1, 1, 1, 95, 75, 80, 78, 75, ‘100.00%’, ‘80.60’], [‘王松岩’, 1, 1, 1, 75, 92, 75, 88, 92, ‘100.00%’, ‘88.60’], [‘曹淑玲’, 1, 0, 1, 85, 88, 80, 92, 88, ‘66.67%’, ‘85.90’], [‘涂光超’, 1, 1, 1, 90, 72, 90, 65, 72, ‘100.00%’, ‘77.00’], [‘吴佳宁’, 1, 1, 1, 85, 72, 90, 78, 72, ‘100.00%’, ‘79.10’], [‘陈俊荣’, 0, 1, 1, 95, 75, 80, 88, 75, ‘66.67%’, ‘79.60’], [‘余倩瑶’, 1, 1, 1, 85, 90, 80, 93, 90, ‘100.00%’, ‘90.10’], [‘卓佼霏’, 0, 1, 1, 90, 85, 90, 84, 85, ‘66.67%’, ‘84.30’], [‘陈彩月’, 1, 1, 1, 90, 80, 90, 85, 80, ‘100.00%’, ‘85.00’], [‘陈昌祺’, 1, 1, 1, 90, 80, 75, 95, 80, ‘100.00%’, ‘85.50’], [‘朱文静’, 1, 1, 0, 90, 90, 80, 82, 90, ‘66.67%’, ‘85.40’], [‘阳宇’, 1, 1, 1, 90, 82, 80, 88, 82, ‘100.00%’, ‘85.60’], [‘覃莹’, 1, 1, 1, 100, 80, 90, 80, 80, ‘100.00%’, ‘85.00’], [‘’]]

终版

在个人出勤率的基础上，添加了班级出勤率。

#定义打开和写入文件的路径
fr=open("D:\\coder\\randomnumbers\\成绩表 - 副本.csv","r",encoding="utf-8")
fw=open("D:\\coder\\randomnumbers\\grade.csv","w")#声明变量和定义函数
ls,list=[],[]
sum,banji=0,0
def trans(l):    #将csv读入，转化，返回列表形式for line in l:line = line.replace("\n", "")ls.append(line.split(","))return lsdef final(a,b,c,d):   #计算总分的函数grade=(10-(3-a)*3)*1+(b)*0.1+c*0.2+d*0.4return gradedef main(ls):  #主函数，输入为处理好的列表，输出为列表形式的出勤率和总分qizhong,qimo,numerate=0,0,0global sum,banjifor i in range(len(ls)):num=0pingshi=0for j in range(len(ls[i])):if ls[i][j].replace(".", "").isnumeric(): #检查是否为数字ls[i][j] = eval(ls[i][j])if j == 1 or j == 2 or j == 3:num += ls[i][j]elif j == 4 or j == 5 or j == 6:pingshi += ls[i][j]elif j == 7:qizhong = ls[i][j]elif j == 8:qimo = ls[i][j]banji+=numnumrate = (num / 3) * 100chuqinglv = "{:.2f}%".format(numrate)final1 = final(num, pingshi, qizhong, qimo)sum += final1final1 = "{:.2f}".format(final1)list.append(chuqinglv)list.append(final1)sum = sum / (len(list) / 2)banji=banji/(19*3)return listdef shuru(list,ls):   #将个人姓名和汉字部分加入，计算班级平均分，形成能够被csv文件读写的列表形式list[0] = '出勤率'list[1] = '总成绩'list1, list2 = [], []for i in range(len(list)):if i % 2 == 0:list1.append(list[i])else:list2.append(list[i])for i in range(len(list1)-1):ls[i].append(list1[i])ls[i].append(list2[i])ls[0].append('总成绩平均分')grades="{:.2f}".format(sum)ls[0].append('班级出勤率')chuqinglv="{:.2f}".format(banji)ls[1].append(grades)ls[1].append(chuqinglv)return ls#主程序ls=trans(fr)   #读入数据
list=main(ls)   #处理数据
li=shuru(list,ls)    #转化成输出数据
print(li) #检查输出内容
for row in li: #写入csv文件fw.write(",".join('%s' %id for id in row) + "\n")
fr.close()
fw.close()

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python期中作业

PYTHON程序设计期中作业

文章目录

题目要求

初版

第二版

第三版

第四版

终版

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