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:mod:`sys` -- system specific functions
=======================================
.. module:: sys
:synopsis: system specific functions
Functions
---------
.. function:: exit([retval])
Raise a ``SystemExit`` exception. If an argument is given, it is the
value given to ``SystemExit``.
.. function:: print_exception(exc, [file])
Print exception with a traceback to a file-like object ``file`` (or
``sys.stdout`` by default).
.. admonition:: Difference to CPython
:class: attention
This function appears in the ``traceback`` module in CPython.
Constants
---------
.. data:: argv
a mutable list of arguments this program started with
.. data:: byteorder
the byte order of the system ("little" or "big")
.. data:: path
a mutable list of directories to search for imported modules
.. data:: platform
The platform that MicroPython is running on. This is "pyboard" on the
pyboard and provides a robust way of determining if a script is running
on the pyboard or not.
.. data:: stderr
standard error (connected to USB VCP, and optional UART object)
.. data:: stdin
standard input (connected to USB VCP, and optional UART object)
.. data:: stdout
standard output (connected to USB VCP, and optional UART object)
.. data:: version
Python language version that this implementation conforms to, as a string
.. data:: version_info
Python language version that this implementation conforms to, as a tuple of ints
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