更新2023秋季学期Python、编译原理、操作系统 (#91)

* 更新Python大作业.md

2023秋季学期，Python大作业

* 更新Compilers.md

更新2023秋季编译原理作业

* 更新Operating-Systems.md

更新2023秋季操作系统实验

projects/Compilers.md

@@ -14,6 +14,7 @@
 * [Jray](https://github.com/Jraaay/LexParser) (C++)
 * [Sduby](https://github.com/Sduby22/compiling_hw/tree/main/lab1-clexer) (C & flex)
 * [BUPT-CS-Assignment](https://github.com/BUPT-CS-Assignment/Lexer) (C++)
+* [YangChen-pro](https://github.com/YangChen-pro/bupt-assignments/tree/main/3rd%20year%20of%20BUPT/First%20semester/Compilation/lexical%20analysis) (C++ & Lex)
 
 ### 语法分析
 
@@ -29,6 +30,7 @@
 * [Jray](https://github.com/Jraaay/SyntaxAnalyzer) (C++)
 * [Sduby](https://github.com/Sduby22/compiling_hw/tree/main/lab2-yacc) (C)
 * [BUPT-CS-Assignment](https://github.com/BUPT-CS-Assignment/SyntaxAnalyzer) (C++)
+* [YangChen-pro](https://github.com/YangChen-pro/bupt-assignments/tree/main/3rd%20year%20of%20BUPT/First%20semester/Compilation/grammar%20analysis) (Python & Yacc)
 
 ### 语义分析
 

projects/Operating-Systems.md

@@ -3,3 +3,4 @@
 ### 操作系统实验（叶文）
 
 - [name1e5s](https://github.com/name1e5s/playground/tree/master/OS-Lab) (Assembly & C)
+- [YangChen-pro](https://github.com/YangChen-pro/bupt-assignments/tree/main/3rd%20year%20of%20BUPT/First%20semester/Operating%20system) (C)

projects/Python.md

@@ -1,4 +1,5 @@
 # Python程序设计
 
 ### 2020级
-* [BUPT-CS-Assignment](https://github.com/BUPT-CS-Assignment/Python_Homework_2022) (租房数据分析)
+* [BUPT-CS-Assignment](https://github.com/BUPT-CS-Assignment/Python_Homework_2022) (租房数据分析)
+* [YangChen-pro](https://github.com/YangChen-pro/bupt-assignments/tree/main/3rd%20year%20of%20BUPT/First%20semester/Python) (链家2022和2023北上广深租房价格分析)