auto save

my_csv1.py

+import csv
+
+subject = ["姓名", "语文", "数学", "英语"]
+score1 = ["小贝", 98, 99, 92]
+score2 = ["聪聪", 95, 91, 95]
+
+# 创建csv并写入
+with open("scores.csv", "w", encoding="utf-8") as csvfile:
+    writer = csv.writer(csvfile)
+    writer.writerow(subject)
+    writer.writerow(score1)
+    writer.writerow(score2)
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my_csv2.py

-import csv
-
-subject = ["姓名", "语文", "数学", "英语"]
-score1 = ["小贝", 98, 99, 92]
-score2 = ["聪聪", 95, 91, 95]
-
-# 创建csv并写入
-with open("scores.csv", "w", encoding="utf-8") as csvfile:
-    writer = csv.writer(csvfile)
-    writer.writerow(subject)
-    writer.writerow(score1)
-    writer.writerow(score2)
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+import csv
+
+data = [["姓名", "语文", "数学", "英语"],
+        ["小贝", 98, 99, 92],
+        ["聪聪", 95, 91, 95]]
+
+# 创建csv并写入
+with open("scores.csv", "w", encoding="utf-8",newline='') as csvfile:
+    writer = csv.writer(csvfile)
+    writer.writerows(data)

my_csv3.py

+import csv
+
+with open("report.csv","r",encoding='utf-8') as f:
+    f_csv = csv.reader(f)
+    f_csv = list(f_csv)
+    print(f_csv)
+
+    for i in range(len(f_csv[0])):
+        print(f_csv[7][i],end='/')
+
+    print()
+    
+    for j in range(len(f_csv)):
+        print(f_csv[j][3],end='/')
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scores.csv

-姓名,语文,数学,英语
-小贝,98,99,92
-聪聪,95,91,95
+95,92,94

test1.py

+import csv
+
+data = [95,92,94]
+#创建csV并写入
+with open("scores.csv","w") as csvfile:
+    writer = csv.writer(csvfile)
+    writer.writerow(data)
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test2.py

+import csv
+
+data = [["姓名", "语文", "数学", "英语"],
+        ["小贝", 98, 99, 92],
+        ["聪聪", 95, 91, 95]]
+#创建csV并写入
+with open("scores.csv","w",encoding='utf-8',newline='') as csvfile:
+    writer = csv.writer(csvfile)
+    for i in data:
+        writer.writerow(i)
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test3.py

+import csv
+
+
+with open("scores.csv","r",encoding='utf-8') as f:
+    f_csv = csv.reader(f)
+    print(f_csv)
+    f_csv = list(f_csv)
+    print(f_csv)
+    # 输出：‘小贝’的‘数学’成绩是‘99’
+    print(f_csv[1][0]+'的'+f_csv[0][2]+'成绩是'+f_csv[1][2])
+    
+    a=f_csv[1]
+    print(a[0])
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