save project

diy.py

@@ -13,7 +13,15 @@
 # with open(r'C:\Users\Windows 7\Desktop\a.txt','r',encoding='utf-8')as a:
 #     b=a.read()
 #     print(b)
-a=open(r'C:\Users\Windows 7\Desktop\a.txt','r',encoding='utf-8')
-for i in a:
-    if'小兰：12本'in i:
-        print("在") 
\ No newline at end of file
+# a=open(r'C:\Users\Windows 7\Desktop\a.txt','r',encoding='utf-8')
+# for i in a:
+#     if'小兰：12本'in i:
+#         print("在")
+b="" 
+with open(r'C:\Users\Windows 7\Desktop\a.txt','r',encoding='utf-8')as a:
+    for i in a:
+        if'小兰：12本'in i:
+            i=i.replace('小兰：12本','小兰：13本')
+        b+=i
+with open(r'C:\Users\Windows 7\Desktop\a.txt','w',encoding='utf-8')as a:
+    a.write(b)
\ No newline at end of file