PYTHON INTRODUCTION

 

INTRODUCTION TO PYTHON

Ø Interpreted language

Ø Object oriented programming language

Ø high level language

Ø Interactive

 

History of Python

• Python author is Guido van Rossum 
• Python was started in  1985 by Guido Van Rossum at CWI in Netherland.
• Python was Published on 1991
• Python means Snake. But actually the name not comes from snake .
• He daily visits in "Monty Python's Flying Circus". This is Guido van Rossum favorite series .So he decided him project named  as Python.

 

Features

  ]  Easy to learn

  ]  Easy to Read

  ]  Easy to maintain

  ]  Portable

  ]  Extendable

  ]  Database

  ]  GUI Program

 

Starting the Interpreter

 

1.Immediate Mode

 

>>> 

 

2.Script mode

 

save file name as   sample.py

 python extension .py

 

keyword

 

and	elif	global	or
assert	else if	pass	break
except	import	print	exec
in	raise	continue	finally
is	return	def	for
lambda	try	del	from
not	while	class