def is_non_empty_array(variable):
  """Checks if a variable is an array (list or tuple) with at least one element.
 
  Args:
    variable: The variable to check.
 
  Returns:
    True if the variable is a non-empty array, False otherwise.
  """
  return isinstance(variable, (list, tuple)) and len(variable) > 0
 
# Example usage:
my_array = [1, 2, 3]
empty_array = []
none_variable = None
 
print(is_non_empty_array(my_array))  # Output: True
print(is_non_empty_array(empty_array))  # Output: False
print(is_non_empty_array(none_variable))  # Output: False 

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