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'
+with open(r'c:\Users\Administrator\Desktop\test.txt','r',encoding='utf-8') as file:
+    b = file.read()
+    a = file.readlines()
+    print(type(b))
+    print(type(a))
+    for item in file:
+        print(item)
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