Logical operators are used for conditional expressions.
Similar to C, the numeric value 0 is equivalent to the logical value 'False',
and non-0 is equivalent to 'True'.
| or | Logical or |
| and | Logical and |
| not | Logical negation |
| < <= > >= == != | Numeric or string comparison |
| in | String or list membership |
>>> 1 in [3,2,1] and 7 > 5 True