save project

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'
 # 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'
 a=open(r"C:\Users\Administrator\Desktop\test.txt","w",encoding="utf-8")
 a=open(r"C:\Users\Administrator\Desktop\test.txt","w",encoding="utf-8")
-a.write("小兰：12本\n""小丽：11本\n""李文：9本\n""张伟：16本")
+a.write("小兰：12本\n""小丽：11本\n""李文：9本\n""张伟：16本\n")
 a.close()
 a.close()
 
 
-b=open(r"C:\Users\Administrator\Desktop\test.txt","a",encoding="utf-8")
-b.write("a\nb\nc\n")
+# b=open(r"C:\Users\Administrator\Desktop\test.txt","a",encoding="utf-8")
+# b.write("a\n""b\n""c\n")
\ No newline at end of file
+# b.close()
+
+with open(r"C:\Users\Administrator\Desktop\test.txt","a",encoding="utf-8") as a:
+    a.write("a\n""b\n""c\n")
\ No newline at end of file