예제 #1
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def test_9():
    assert changeXY("hihi") == "hihi"
예제 #2
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def test_7():
    assert changeXY("xxx") == "yyy"
예제 #3
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def test_8():
    assert changeXY("yyhxyi") == "yyhyyi"
예제 #4
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def test_5():
    assert changeXY("x") == "y"
예제 #5
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def test_6():
    assert changeXY("") == ""
예제 #6
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def test_4():
    assert changeXY("h") == "h"
예제 #7
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def test_3():
    assert changeXY("hiy") == "hiy"
예제 #8
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def test_2():
    assert changeXY("xhixhix") == "yhiyhiy"
예제 #9
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def test_1():
    assert changeXY("xxhixx") == "yyhiyy"
예제 #10
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def test_0():
    assert changeXY("codex") == "codey"