예제 #1
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def test_digits():
    assert like_number('10')
    assert like_number('1')
예제 #2
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def test_not_number():
    assert not like_number('dog')
    assert not like_number(',')
예제 #3
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def test_word():
    assert like_number('one')
    assert like_number('two')
    assert like_number('billion')
예제 #4
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def test_fraction():
    assert like_number('1/2')
    assert not like_number('1/2/3')
예제 #5
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def test_period():
    assert like_number('999.0')
    assert like_number('.99')
예제 #6
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def test_comma():
    assert like_number('10,000')
    assert like_number('10,00')
    assert like_number(',10')