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17. Python Language Services

Python provides a number of modules to assist in working with the Python language. These module support tokenizing, parsing, syntax analysis, bytecode disassembly, and various other facilities.

These modules include:

`parser` | Access parse trees for Python source code.
`symbol` | Constants representing internal nodes of the parse tree.
`token` | Constants representing terminal nodes of the parse tree.
`keyword` | Test whether a string is a keyword in Python.
`tokenize` | Lexical scanner for Python source code.
`tabnanny` | Tool for detecting white space related problems in Python source files in a directory tree.
`pyclbr` | Supports information extraction for a Python class browser.
`py_compile` | Compile Python source files to byte-code files.
`compileall` | Tools for byte-compiling all Python source files in a directory tree.
`dis` | Disassembler for Python byte code.