簡介python 和 用virtualevn進行多版本環境架設

1. PYTHON
let me talk a story!
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2. About python
!
Design principle：elegant,explicit,simple
Motto: There is only one way to do it.
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3. About python
!
Design principle：elegant,explicit,simple
Motto: There is only one way to do it.
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4. why we choose python?
python is maintainable
python is flexible
python is easy and learn and use
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5. python 2 v.s python3
python 2.7 is legacy
python 3 is new generation
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6. python how to start?
python IDE
terminal
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7. python IDE
integrated development environment
debug,edit,demo
only single interface
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8. Let’s do it
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ubuntu
mac

9. Let’s do it
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open it !
print(‘hello world’)
a=10
if a > 5:
print(‘a > 5’)
else:
print(‘a < 5’)
then do that
and

10. Let’s do it
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print(‘hello world’)
a=10
if a > 5:
print(‘a > 5’)
else:
print(‘a < 5’)
save xxx.py

11. python’s virtual environment
virtualenv
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the name is

12. python’s virtual environment
virtualenv
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the name is
before we talk about virtaulenv
we talk pip
pip

13. python’s virtual environment
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pip managing python packages

14. python’s virtual environment
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pip managing python packages
so cool

15. python’s virtual environment
virtualenvthe name is
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16. python’s virtual environment
virtualenvthe name is
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17. let’s do it
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sudo easy_install virtualenv
sudo apt-get install python-virtualenv
mac
ubuntu

18. let’s do it
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virtualenv python_3 --python=python3
!
python_3
cd python_3 enter python_folder
source bin/activate activate script
deactivate exit the environment
create two virtual environment
one is python2 , the other is python3

19. python’s virtual environment
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You have own python environment
nice!
cool

20. terminal run xxx.py!
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when you enter your virtual environment
python xxx.py

21. I’am confused!
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python ide
terminal
if you want to test
if you want to run

22. ipython
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when you enter your virtual environment
pip install ipython
ipython

23. ipython
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when you enter your virtual environment
pip install ipython
ipython
cool
dienyang is handsome
wow

24. python key word
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virtualevn
ide
ipython
pip
the end