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This article mainly shows you "python operators and expressions how to use", the content is easy to understand, clear, hope to help you solve your doubts, the following let Xiaobian lead you to study and learn "python operators and expressions how to use" this article.

Expression what is an expression? The # expression consists of one or more operands combined by operators. # the simplest expression contains only a literal constant or variable. Operator

Arithmetic operator

The division of integers in python2 belongs to floor division, and it has to be a floating point number if it is to be truly divided.

Division in python3 belongs to true division

Assignment operator

Comparison operator

Logical operator

Expressions that contain and or not are evaluated from left to right, but there are rules for short-circuit operations.

If the expression on the left side of or is True, all expressions following the short circuit (whether and or or)

If the expression on the left side of and is Fae, then all and expressions after the short circuit

Note: the return value of print () is None, so its return value is false

Example:

Member operator

An integer is a single individual, it cannot be judged, it can only be judged in a sequence.

Object instance operator

Bit operator

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