save project

1.py

+arr=['1','2','3','4','5','6','7','8','9']
+# for i in range(len(arr)):
+#     print(arr[i])   
+for i in arr:
+    print(i) 
\ No newline at end of file

diy.py

+# 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
+ with open(r'C:\Users\CM\Desktop\book.txt','a',encoding='utf-8') as file:
+#     file.write('小强，999999999本\n')
+#     file.write('李敏，10本\n')
+    for date in filel:
+        if '小强:10本'in data:
+            print('小强以在文件中')
+        if '小兰:12本'in data:
+            print('小兰已在文件中')
+        new_data+=data
+with open(r'C:\Users\CM\Desktop\book.txt','a',encoding='utf-8') as file:
+    filel.write(new_data)
+with open(r'C:\Users\CM\Desktop\book.txt','a',encoding='utf-8') as file:
+    a=filel.read()
+        print(a)