Ch 01 - 10
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.. toctree::
    :maxdepth: 1
    :caption: Contents
    :name: 01to10

    01_intro/01.rst
    02_builtin_functions/02.rst
    03_builtin_func_nonessential/03.rst
    04_builtin_constants/04.rst
    05_builtin_types/05.rst
    06_exceptions/06.rst
    07_string_services/7.rst
    08_datat_types/8.rst
    09_numeric/09.rst
    10_filesys/10.rst