auto save

diy.py

-# 写入同学们的捐赠明细：'小兰：12本'、'小丽：11本'、'李文：9本'、'张伟：16本'
+# sb=open(r"C:\Users\Administrator\Desktop\新建文本文档.txt","w",encoding="utf-8")
+# sb.write("一giao我里giao\n")
+# sb.close()
+# sb=open(r"C:\Users\Administrator\Desktop\新建文本文档.txt","a",encoding="utf-8")
+# sb.write("一giao我里giao\n")
+# sb.close()
+abab=""
+with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt","a",encoding="utf-8") as sb:
+     sb.write("一gan我里gan\n")
+with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt","r",encoding="utf-8") as sb:
+    for data in sb:
+        if "一gan我里gan\n" in data:
+            data.replace("gan","gauauau")
+        abab+=data   
+with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt","w",encoding="utf-8") as sb:
+    sb.write(abab)
+with open(r"C:\Users\Administrator\Desktop\新建文本文档.txt","r",encoding="utf-8") as sb:
+    a=sb.read()
+    print(a)
+
+
+
+