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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 _verify_validator(self, validator, path):
 """Verifies that a given validator associated with the field at the given path is legitimate."""


        # Validator should be a function
        if not callable(validator):
            raise SchemaFormatException("Invalid validations for {}", path)

        # Validator should accept a single argument
        (args, varargs, keywords, defaults) = getargspec(validator)
        if len(args) != 1:
            raise SchemaFormatException("Invalid validations for {}", path)