auto save

diy1.py

-with open(r"C:\Users\2hao\Desktop\新建文件夹\chen.txt","r"encoding="utf-8")as file1:
-    for data in file1:
-        if 'h:19' in data:
-            
+a=open(r"C:\Users\2hao\Desktop\123\make.txt","w",encoding="utf-8")
+a.write("123456789098765432123456787654345678opoiuy65456789oiuytr4345tyujhytr43erfrewerftr43werewee12r3tuw3yukvtgheai3OCRNUVWGABGFGUYGFGYTFRTYTRTYt67656789876545678987654567890987654345678909876545678987654345678765434567645676543456765434567876545678987654345678987654567898765434567876543456")
+a.close()
\ No newline at end of file
-        data=data.replace('h:19','h:20')
-    new_data +=data
-with open(r'C:\Users\2hao\Desktop\chen.txt','r'encoding="utf-8") as file1:
-    file1.write(new_data)
\ No newline at end of file