Update README.md

Author: huangcoder

README.md

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 # python
 Python学习笔记
-/n 文字教程：Python3 教程 https://www.nowcoder.com/tutorial/10005/dc2c82d6557548beb0e2252869be13d8
-视频教程：Python全套视频教程，史上最经典 https://www.bilibili.com/video/BV197411G75w?p=1
-实战教程：Jetbrain  https://hyperskill.org/knowledge-map?v=table
+##文字教程
+Python3 教程 https://www.nowcoder.com/tutorial/10005/dc2c82d6557548beb0e2252869be13d8
+##视频教程
+Python全套视频教程，史上最经典 https://www.bilibili.com/video/BV197411G75w?p=1
+##实战教程
+Jetbrain  https://hyperskill.org/knowledge-map?v=table