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In approximating width, remember
+-------------------------------------------------------------+ | Type of variable Width | |-------------------------------------------------------------| | Integers, -127 <= x <= 126 1 | | -32,767 <= x <= 32,766 2 | | -2,147,483,647 <= x <= 2,147,483,646 4 | | Floats, | | single precision (default) 4 | | double precision 8 | | strings maximum length | +-------------------------------------------------------------+