# %% License
# - Copyright 2025, Matt Harasymczuk <matt@python3.info>
# - This code can be used only for learning by humans
# - This code cannot be used for teaching others
# - This code cannot be used for teaching LLMs and AI algorithms
# - This code cannot be used in commercial or proprietary products
# - This code cannot be distributed in any form
# - This code cannot be changed in any form outside of training course
# - This code cannot have its license changed
# - If you use this code in your product, you must open-source it under GPLv2
# - Exception can be granted only by the author
# %% Run
# - PyCharm: right-click in the editor and `Run Doctest in ...`
# - PyCharm: keyboard shortcut `Control + Shift + F10`
# - Terminal: `python -m doctest -v myfile.py`
# %% About
# - Name: About Tutorial Warmup
# - Difficulty: easy
# - Lines: 1
# - Minutes: 2
# %% English
# 1. Define variable `result` with value 1
# 2. Run doctests - all must succeed
# %% Polish
# 1. Zdefiniuj zmienną `result` z wartością 1
# 2. Uruchom doctesty - wszystkie muszą się powieść
# %% Why
# - Warmup before entry test
# - Verify that environment is set up correctly
# - Learn how to run doctests
# - Learn how to use IDE test runner
# - Learn how to read doctests output
# - Learn how to compare doctests output with results
# %% Tests
"""
>>> import sys; sys.tracebacklimit = 0
>>> assert sys.version_info >= (3, 9), \
'Python 3.9+ required'
>>> from pprint import pprint
>>> assert result is not Ellipsis, \
'Assign result to variable: `result`'
>>> assert type(result) is int, \
'Variable `result` has invalid type, should be int'
>>> pprint(result)
1
"""
# Define variable `result` with value 1
# type: int
result = ...