save project

diy.py

@@ -7,9 +7,22 @@
 #     file1.write('阿杰:14本\n')
 #     file1.write('阿杰:14本\n')
 #     file1.write('彬彬:15本\n')
 #     file1.write('彬彬:15本\n')
 #     file1.close()
 #     file1.close()
+# with open(r'D:\chenziyu\ct.txt','r',encoding='utf-8') as file1:
+#    for data in file1:
+#        if '小兰:12本' in data:
+#            print('小兰在文件中')
+#        if '小丽:11本' in data:
+#            print('小丽在文件中')  
+new_data=''
 with open(r'D:\chenziyu\ct.txt','r',encoding='utf-8') as file1:
 with open(r'D:\chenziyu\ct.txt','r',encoding='utf-8') as file1:
     for data in file1:
     for data in file1:
         if '小兰:12本' in data:
         if '小兰:12本' in data:
-            print('小兰在文件中')
-        if '小丽:11本' in data:
-            print('小丽在文件中')  
+            data=data.replace('小兰:12本','小兰:14本')
+        if '小丽:11本' in data: 
+            data=data.replace('小丽:11本','小丽:13本')
\ No newline at end of file
+        new_data +=data
+with open(r'D:\chenziyu\ct.txt','w',encoding='utf-8') as file1:
+    file1.write(new_data)
+with open(r'D:\chenziyu\ct.txt','r',encoding='utf-8') as file1:
+    a=file1.read()
+    print(a)
\ No newline at end of file