save project

diy.py

@@ -10,11 +10,18 @@
 # with open(r'C:\Users\1\Desktop\吴思辰.txt','a',encoding='utf-8') as wsc:
 #     wsc.write('小强：12本\n')
 #     wsc.write('李明：15本\n')
+sss=''
 with open(r'C:\Users\1\Desktop\吴思辰.txt','r',encoding='utf-8') as wsc:
     for i in wsc:
-        if '小强：10本' in i:
-            print('小强数据在文件中')
+        if '小强：12本' in i:
+            i.replace('小强：12本','小强：10本')
         if '小兰：12本' in i:
-            print('小兰数据在文件中')
+            i.replace('小兰：12本','小兰：14本')
+        sss+=i
     # a=wsc.read()
     # print(a)
+with open(r'C:\Users\1\Desktop\吴思辰.txt','w',encoding='utf-8') as wsc:
+    wsc.write(sss)
+with open(r'C:\Users\1\Desktop\吴思辰.txt','r',encoding='utf-8') as wsc:
+    py=wsc.read()
+    print(py)
\ No newline at end of file