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以下是源码目录介绍，是从网上摘录的Doc ← 源代码文档说明Grammar ← 计算机可读的语言定义Include：该目录下包含了Python提供的所有文件头，如果用户需要自己用C或者C++来编写自定义模块扩展Python，那么就需要用到这里提供的头文件。Lib：该目录包含了Python自带的所有标准库，Lib中的库都是用Python语言编写的。Modules：该目录中包含了所有用C语言...

/*The basic lookup function used by all operations.This is based on Algorithm D from Knuth Vol. 3, Sec. 6.4.Open addressing is preferred over chaining since the link overhead forchaining would be...

typedef struct { PyObject_HEAD Py_ssize_t fill; /* Number active and dummy entries*/ Py_ssize_t used; /* Number active entries */ /* The table contains mask + ...

typedef struct { PyObject_VAR_HEAD /* ob_item contains space for 'ob_size' elements. Items must normally not be NULL, except during construction when the tuple is not yet visibl...

struct _dictkeysobject { Py_ssize_t dk_refcnt; //引用计数 /* Size of the hash table (dk_indices). It must be a power of 2. */ Py_ssize_t dk_size; /* Function to lookup in the hash ta...

typedef struct _object { _PyObject_HEAD_EXTRA Py_ssize_t ob_refcnt; PyTypeObject *ob_type;} PyObject;typedef struct { PyObject ob_base; Py_ssize_t ob_size; /* Number of items i...

typedef struct { PyObject_HEAD PyObject *start; PyObject *stop; PyObject *step; PyObject *length;} rangeobject;

2.字符串join#源码a="dddddddddd"b="sssssssssss"a.join(b)#字节码（实际上也就是调用unicode的method中的join函数） 0 LOAD_NAME 0 (a) 2 LOAD_METHOD 1 (join) ...

opcode = "a='dddddddddd'\n" \ "a=a[1:6]" 0 LOAD_CONST 0 ('dddddddddd') 2 STORE_NAME 0 (a) 4 LOAD_NAME ...

从Python3字符串统一使用Unicode编码1.探究字符串加法运算效率#源码a="dddddddddd"b="sssssssssss"a = a+b#字节码 0 LOAD_NAME 0 (a) 2 LOAD_NAME 1 (b) ...