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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def looks_like_implicit_value(v):
 """Returns true if 'v' is either implicit value, or the part before the first '-' symbol is implicit value."""

    assert isinstance(v, basestring)
    if feature.is_implicit_value(v):
        return 1
    else:
        split = v.split("-")
        if feature.is_implicit_value(split[0]):
            return 1

    return 0