auto save

my_csv.py

@@ -16,7 +16,9 @@ with open('score2.csv','w',encoding='utf-8')as f:
 
 #多行写入
 
-b=[[4,5,6,7,8],[9,10,11,12,13],[14,15,16,17,18,19]]
+a=[4,5,6,7,8]
+c=[9,10,11,12,13]
+d=[14,15,16,17,18,19]
 with open('score3.csv','w',encoding='utf-8',newline='')as f:
     w=csv.writer(f)  #创建读写对象
     w.writerows(b)   #把列表数据加入到文件中

score1.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
+4,5,6,7,8
+9,10,11,12,13
+14,15,16,17,18,19

score2.csv

-1,2,3,4
+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

日19.py

+import csv
+import csv
+# a=[4,5,6,7,8]
+# c=[9,10,11,12,13]
+# d=[14,15,16,17,18,19]
+# with open('score1.csv','w',encoding='utf-8')as file:
+#     w=csv.writer(file)
+#     w.writerow(a)
+#     w.writerow(c)
+#     w.writerow(d)
+# a=[[4,5,6,7,8],[9,10,11,12,13],[14,15,16,17,18,19,22]]
+# with open('score2.csv','w',newline='',encoding='utf-8')as f:
+#     w=csv.writer(f)
+#     w.writerows(a)
+with open('score2.csv','r',encoding='utf-8')as f:
+    r=csv.reader(f)
+    r=list(r)#
+    pipi=r[7]
+    print('皮皮的成绩是:',pipi)
+    for q in r:
+        print(q[3])