List of articles

• Python( 3、 ... and )—— How to run Python Program
• • 1、 Terminal operation
  • 2、 Source file run
  • 3、Pycharm2022.1 download
  • 4、Pycharm Simple configuration
  • 5、Python notes

Python( 3、 ... and )—— How to run Python Program

1、 Terminal operation

Enter the code directly in the command line window , Press enter to run the code , And see the output immediately ; Execute a line of code , You can also continue to enter the next line of code , Enter again and see the results …… The whole process is like we're talking to a computer , So it is also called interactive programming .

2、 Source file run

Python The source file is a plain text file , There is no special format inside , You can open it with any text editor .

Python The suffix of the source file is .py,Python 3.x The default source file encoding format is UTF-8.

1、 Create the source file , newly build txt text file , Change the suffix to .py（）, Save the content after writing ：

print(' Run as source file python Program ')
a = 100
b = 4
print(a*b)

2、 Execute source file

Command format ： Source file paths can be relative or absolute

python < Source file path >

3、Pycharm2022.1 download

PyCharm yes JetBrains Company R & D , Used to develop Python Of IDE（IDE：Integrated Development Environment Integrated development environment ） development tool .

PyCharm function : debugging 、 Syntax highlighting 、Project management 、 Code jump 、 Smart tips 、 Done automatically 、 unit testing 、 version control .

PyCharm Yes 2 A version , Namely Professional（ pro ） and Community（ Community Edition ）. among , The professional edition is for a fee , Free trial 30 God ; And the community version is completely free .

download Pycharm 2022.1 Installation package

Official website download address ：https://www.jetbrains.com/pycharm/download/other.html

Select the version and system and click download ：

install

Check create desktop shortcut , Easy to open ：

After installation , Check Run Pycharm, Click on Finish Running software ：

4、Pycharm Simple configuration

Create document notes

Settings—>Editor—>File and Code Templates—>Python Script

Write an annotation template on the right ：

# _*_ coding: utf-8 _*_
# @Date: ${YEAR}-${MONTH}-${DAY}
# @Author: Tang Jing Fang 
# @File: ${NAME}
# @Project: ${PROJECT_NAME}

See the effect ：

5、Python notes

Single-line comments

Python Use the well number # As a symbol for a single line comment （ Shortcut key ：ctrl+？）：

# Single-line comments 

Multiline comment

Python Use three consecutive single quotes ’'' Or three consecutive double quotes """ Annotate multiple lines of content ：

''' many That's ok notes Interpretation of the '''
""" many That's ok notes Interpretation of the """