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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 _starts_with(field, filter_value):
 """Validate field starts with provided value. Args: filter_value (string):
 A string or list of values. Returns: (boolean):
 Results of validation """

        valid = False
        if field.startswith(filter_value):
            valid = True
        return valid