save project

Untitled-1.py.py

-filel=open(r'C:\Users\Administrator\Desktop\book.txt','a',encoding='utf-8')
-filel.write('小兰:12本\n')
-filel.write('小强:10本\n')
-for i in range(i):
-    if '小强:10本'
+filel=open(r'C:\Users\Administrator\Desktop\book.txt','r',encoding='utf-8')
+# filel.write('小兰:12本\n')
+# filel.write('小强:10本\n')
+for i in filel:
+    if '小强:10本' in i:
+        i=i.replace('小强:10本','小强:11本')
+        print(i)
 filel.close()
 filel.close()
\ No newline at end of file