fix:整理知识点

11_sql/main2.py

@@ -24,4 +24,4 @@ for r in result:
 
 # 关闭MySQL链接对象
 conn.close()
-f.close()
+f.close()
\ No newline at end of file

13_高级技巧/05_多线程编程.py

@@ -4,12 +4,12 @@
 import time
 import threading
 
+
 def sing(msg):
     print(msg)
     time.sleep(1)
 
 
-
 def dance(msg):
     print(msg)
     time.sleep(1)
@@ -17,7 +17,7 @@ def dance(msg):
 
 if __name__ == '__main__':
     # 创建一个唱歌的线程
-    sing_thread = threading.Thread(target=sing, args=("我要唱歌 哈哈哈", ))
+    sing_thread = threading.Thread(target=sing, args=("我要唱歌 哈哈哈",))
     # 创建一个跳舞的线程
     dance_thread = threading.Thread(target=dance, kwargs={"msg": "我在跳舞哦 啦啦啦"})