save project

diy.py

@@ -5,7 +5,11 @@ file.close()
 file1 = open(r'C:\Users\EDY\Desktop\test.txt','a',encoding = 'utf-8')
 file1.write("小强：10本\n李明：15本\n")
 file1.close()
+new_data = ''
 file2 = open(r'C:\Users\EDY\Desktop\test.txt','r',encoding = 'utf-8')
 for data in file2:
     if "小强：10本" in data:
-        print('找到数据')
\ No newline at end of file
+        data = data.replace('10','11')
+    new_data += data
+with open(r'C:\Users\EDY\Desktop\test.txt','w',encoding = 'utf-8')as file1:
+    file1.write(new_data)
\ No newline at end of file