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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 _valid_table_name(name):
 """Verify if a given table name is valid for `rows` Rules: - Should start with a letter or '_' - Letters can be capitalized or not - Accepts letters, numbers and _ """


    if name[0] not in "_" + string.ascii_letters or not set(name).issubset(
        "_" + string.ascii_letters + string.digits
    ):
        return False

    else:
        return True