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list operators Select the expression(s) that return True. len([1, 2, 3]) len(['a', 'b', 'c']). len('mom') in [1, 2, 3] 'a' in ['mom', 'dad') [1, 2, 3] in len('mom') '3' in [1, 2, 3] int('3') in [len('a'), len('ab'), len('abc')]