auto save

diy.py

+content = '13,15,21,9,14,22'
+new_content = content.split(',')
+s = 0
+for i in new_content:
+    s=s+int(i)
+print(s)
+
+alist = ['hello','world']
+with open('t.txt','w',encoding='utf-8')as f:
+    f.writelines(alist)
+with open('t.txt','r',encoding='utf-8')as f:
+    ff=f.readlines()
+    print(ff)
\ No newline at end of file

my_csv.py

 import csv
 
-data = [["姓名", "语文", "数学", "英语"],
-        ["小贝", 98, 99, 92],
-        ["聪聪", 95, 91, 95]]
+data = [['姓名','语文','数学','英语','地理','历史','政治','生物','化学','物理'],
+        ['小贝',99,100,94,90,88,89,96,98,96],
+        ['李强',86,95,96,84,86,63,78,66,74],
+        ['小依',75,88,94,54,77,97,86,77,89],
+        ['聪聪',65,76,97,66,73,78,58,66,69],
+        ['波奇',74,67,61,72,66,81,75,79,80],
+        ['九尾',88,85,80,78,74,90,81,69,70],
+        ['皮皮',77,87,83,69,90,79,71,74,69]]
 
-with open('text.csv','w',encoding='utf-8',newline='')as csvfile:
+with open('report.csv','w',encoding='utf-8',newline='')as csvfile:
+        # 创建csv文件
         writer = csv.writer(csvfile)
         writer.writerows(data)
-with open('text.csv','r',encoding='utf-8')as f:
+
+with open('report.csv','r',encoding='utf-8')as f:
+        # 读取csv文件
         file = csv.reader(f)
-       print(file)
         file = list(file)
-       print(file[1][0])
\ No newline at end of file
+        for i in range(len(file)):
+               print(file[i][3])
+        # 读取出所有人的英语成绩
+        print(file[7])
+        # 只读取皮皮的所有成绩
\ No newline at end of file

report.csv

+姓名,语文,数学,英语,地理,历史,政治,生物,化学,物理
+小贝,99,100,94,90,88,89,96,98,96
+李强,86,95,96,84,86,63,78,66,74
+小依,75,88,94,54,77,97,86,77,89
+聪聪,65,76,97,66,73,78,58,66,69
+波奇,74,67,61,72,66,81,75,79,80
+九尾,88,85,80,78,74,90,81,69,70
+皮皮,77,87,83,69,90,79,71,74,69
\ No newline at end of file

t.txt

+helloworld
\ No newline at end of file