Python, ipython, and IDE tool Pycharm installation tutorial in Linux, ipythonpycharm
Advantages of python
(1) Simple, elegant, and clear
(2) powerful third-party library module
(3) cross-platform porting
(4) An object-oriented language
Disadvantages of python
(1) The code execution speed is slow. Compared with the C language, the asynchronous concurrency framework of python causes the execution speed to be slow;
(2) python is an open-source programming language and the Code cannot be encrypted;
Python Installation
(1) Visit the python Official Website
(2) generally, the iso image is provided in the Linux operating system and can be directly installed through yum;
[Root @ server ~] # Yum install python-y # install python
[Root @ server ~] # Python-V # view the python version
Python editing tool:
-Python and ipython
-Vim
First python Program
Go to python: python
Exit python: exit () or Ctrl + D
Python script
[Root @ server ~] # Which python # view python
[Root @ server ~] # Mkdir/python/code01-p
Note:
#! /Usr/bin/python indicates that the default Python version of the system is directly referenced;
#! /Usr/bin/envpython indicates that the custom Python version in the environment variables is referenced, which is highly portable;
Question about Chinese encoding ??
Solution: Specify the UTF-8 encoding format.
There are four methods to specify the encoding format:
(1) # coding: UTF-8
(2) # coding = UTF-8
(3) # encoding: UTF-8
(4) # encoding = UTF-8
UTF-8: one English byte storage and three other bytes storage;
Install ipython:
? -Download software from the Internet
Obtain and enter the ipython installation package directory, and install all the packages to solve the dependency problem.
Use ipython
Install the IDE tool Pycharm as follows:
(1) decompress the Pycharm installation package to the/opt directory:
(2) cd/opt/pycharm-2017.2.3/bin
(3) Execute./pycharm. sh
[Root @ fundation86 pycharm] # tar xf pycharm-professional-2017.2.3.tar.gz-C/opt/
[Root @ fundation86 pycharm] # cd/opt/pycharm-2017.2.3/bin/
[Root @ fundation86 bin] #./pycharm. sh
Select the Red Circle and click OK.
Select accept and next
Select the License server to install and enter the Registration Code as follows:
Select All
File Storage path: optional, which can be customized by default
The attack is successful. start using it !!!
NOTE: For the Community version, you can use the above three steps;
The setting information of pycharm is saved in. PyCharmCE2017.1.
If the configuration is broken, you can delete the Directory and reconfigure it.
To uninstall pycharm:
(1) Delete the icon
(2) Delete Configuration
(3) Delete Software
Configure Pycharm parameters:
Open File ---> Settings
Change code font size
Set python code block model
The effect is as follows: