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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 validate_setup(transactions):
 """ First two transactions must set rate & days. """

    if not transactions:
        return True
    try:
        first, second = transactions[:2]
    except ValueError:
        print('Error: vacationrc file must have both initial days and rates entries')
        return False

    parts1, parts2 = first.split(), second.split()

    if parts1[0] != parts2[0]:
        print('Error: First two entries in vacationrc must have the same date')
        return False  # Dates must match

    if 'rate' not in (parts1[1], parts2[1]) or 'days' not in (parts1[1], parts2[1]):
        print('Error: First two entries in vacationrc must set days and rate')
        return False

    return True