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Python Tutorial


Python

Python is a high level Interpreter based language developed in 80’s .

Python is object oriented script based language. Python has sufficient data structure which is very useful while analyzing the various file formats(csv,tsv,xls.txt etc).

Python can be installed on all the OS platform from its official website python.org.

Python’s frame work

  • Web Programming: Django, Pyramid, Bottle, Tornado, Flask, web2py
  • GUI Development: wxPython, tkInter, PyGtk, PyGObject, PyQt
  • Scientific and Numeric: SciPy, Pandas, IPython
  • Software Development: Buildbot, Trac, Roundup
  • System Administration: Ansible, Salt, OpenStack
All framework are based on Library. Python syntax can be written in command prompt as well as in editor with .pyectension

Python command Prompt
Writing 1st statement on python prompt.
>>> Print (‘hi’)
hi
To get help in python 
>>> help ( )
Python variables declaration
String:- a = (‘hi’)
Integer b = (10)
Float c= (11.2)
To know the type of Variables there is a type keyword in python.
Example:
>>>type(‘hi’)
Return 
>>> type (11.2)
Return 
KEYWORDS in Python 2 and 3
Below are the all 31 keywords used in pytthon2 and 3.

 	and 	del 	from not 	while as 	elif	global 	or 	with 	assert 
 	else if 	pass 	yield          break except 	import 	print 	class 	exec 	
 	in     raise 	continue finallyis return 	def	for 	lambda try 	
In Python 3, exec is no longer exist as a keyword, but nonlocal is.
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