Logical Operators

and operator

It’s a binary operator with a priority that is lower than the one expressed by the comparison operators. It allows us to code complex conditions without the use of parentheses like this one.

Counter > 0 and value == 100

The truth table is given below.

or operator

This is a disjunction operator. It’s a binary operator with a lower priority than “and”.

The truth table is given below.

not operator

This is a unary operator performing a logical negation. It turns truth into falsehood and falsehood into truth.

Logical Expressions

See the below code lines & outputs.

In Python,

not (p and q) == (not p) or (not q)

not (p or q) == (not p) and (not q)