save project

kk.py

+new_data=''
 with open(r"C:\Users\EDZ\Desktop\textgtfyfy.txt",'r',encoding='utf-8') as file:
-    for i in file:
-        if '小兰：12本'in i:
-            print("在")
+    for data in file:
+        if '小兰：12本' in data:
+            print("ddd")
+            data=data.replace("小兰：12本",'小兰：22本')
+        new_data+=data
+with open(r"C:\Users\EDZ\Desktop\textgtfyfy.txt",'w',encoding='utf-8') as file:
+    file.write(new_data)

textgtfyfy.txt

@@ -4,6 +4,5 @@
 张伟：16本
 小强：15
 小军:13
-小强：15
-小军:13
+