save project

diy.py

@@ -5,8 +5,20 @@
 #file1.write('李文：9本')
 #file1.write('张伟：16本')
 #file1.close()
-with open(r'C:\Users\Administrator\test.txt','r',encoding='utf-8')as
-file1:
+#
+#file1:
+#    for date in file1:
+#        if '小丽：11本'in date:
+#            print("数据在文件中")
+new_date=''
+with open(r'C:\Users\Administrator\test.txt','w',encoding='utf-8')as file1:
     for date in file1:
-        if '小丽：11本'in date:
-            print("数据在文件中")
+        if '小强：10本'in date:
+            date=date.replace('小强：10本','小强：11本')
+        new_date+ =date
+with open(r'C:\Users\Administrator\test.txt','w',encoding='utf-8')as file1:
+     file1.write(new_date)
+
+
+
+        
\ No newline at end of file