Python basic content

1. Comments

#单行注释

' Multiline comment '

2. Variables

Python has no procedure for declaring a variable (dynamic type)

Variable name = value, if the float is defined as a floating-point type, if the integer is defined as an integer, if the string is defined as a string

3. Input and output

Input and output of the console

Print (output content), X=input ("Prompt")

4. operator and table = expression

Mathematical operations:

+

-

*

/floating-point division

Integer division

* * Power operation

% take-up

Comparison operation:

>

<

>=

<=

<> also means not equal to

!=

==

Logical operation:

Not

and

Or

Assignment operation:

=

5. Process Control

Condition control

An IF condition expression:

Code executed when the condition is true

Else

Code executed when the condition is false

ESIF is an abbreviation for else if

Python basic content