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Editor to share with you what the basic syntax of Python full-stack development is, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Introduction to No.1 Python language

See Baidu encyclopedia for details.

What kind of language is No.2 Python?

The details are in Baidu encyclopedia.

What can No.3 Python do?

Network applications, desktop applications, system operation and maintenance, machine learning, scientific computing.

Network application Django/Flask/Tornado

Desktop application PyQt/PySide/wxPython/PyGTK

System operation and maintenance psutil/IPy/dnspython/difflib

Machine learning Scikit-Learn/Statsmodels/PyMC/Shogun

Scientific computing NumPy/SciPy/Matplotlib

Advantages and disadvantages of No.4 Python

Simple, efficient development, high-level language, cross-platform.

Slow speed, code can not be encrypted, GIL lock.

Installation of No.5 Python

Download Anaconda from Windows, click and click.

Linux download Anaconda, extract, install.

No.6 comment

Single-line comment # one line

Multiline comments "" pile "OR"pile"

No.7 keyword

Identifiers with special functions, which are called keywords

Import keywordprint (keyword.kwlist) No.8 formatted symbol remarks c character s string I signed decimal integer d unsigned decimal integer o octal integer x hexadecimal integer (lowercase letter) Xhexadecimal integer (uppercase letter) f floating point No.9 variable

The variable of Python is a post-it note

Variable names can only be a combination of letters, numbers, and underscores

The first character of a variable cannot be a number

Variable name cannot be the same as keyword

No.10 operator

Arithmetic operator

Operator remarks + add-subtract * multiply * * power / divide / / divide% module

Assignment operator

Operator example = a = 1 words a + = 1 a + 1 words words a-= 1 a = a-1 words words a = 2 a = a 2 minutes cards a = 2 a = a 2cm cycles a / = 2a = a / 2a / 2a / 2a = a / 2% accounta% = 2a = a% 2

Relational operator

Operator remarks = equal to! = not equal > greater than = greater than or equal to

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