save project

diy.py

@@ -2,17 +2,8 @@
 #file1=open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')
 #file1=open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')
 #file1.write('小兰：12本，\n小丽：11本，\n李文：9本，\n张伟：16本')
 #file1.write('小兰：12本，\n小丽：11本，\n李文：9本，\n张伟：16本')
 #file1.close()
 #file1.close()
-#file1=open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')
-#for a in file1:
-#    if '小兰：12本' in a:
-#        print('此数据在文件中')
-new_data=''
-with open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')as file1:
-    for data in file1:
-        if '小兰：12本'in data:
-            data.replace('小兰：12本','小兰：14本')
-        new_data+=data
-with open(r'C:\Users\Administrator\Desktop\text.txt','w',encoding='utf-8')as file1:
-    file1.write(new_data)
-   
+file1=open(r'C:\Users\Administrator\Desktop\text.txt','r',encoding='utf-8')
+for a in file1:
+    if '小兰：12本' in a:
+        print('此数据在文件中')