save project

123456.py

@@ -4,7 +4,7 @@
 ##file=open(r"C:\Users\paulb\Desktop\test.txt",'a',encoding='utf-8')
 ##file.write('小强：12\n小张：18\n小二：13\n')
 ##file.close()
-with open(r"C:\Users\paulb\Desktop\test.txt",'w',encoding='utf-8'):
+with open(r"C:\Users\paulb\Desktop\test.txt",'r',encoding='utf-8'):
     for data in file:
-        if "小强：12" and "小二：13" in data:
-            print("找到了")
\ No newline at end of file
+        if "小强：12" in data:
+            data=data.replace('小强：12','小强15')
\ No newline at end of file