1.2. About Tutorial

1.2.1. Assignments

Code 1.3. Tutorial Assignment A
"""
* Assignment: About Tutorial A
* Complexity: easy
* Lines of code: 1 lines
* Time: 2 min

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
    >>> 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 = ...