Python Introduction

Python Programming Language

Python is:

Running Python Programs

  1. From the command line: python hello.py
  2. From the interpreter: Type python to start.
  3. As scripts: Add the following line in the beginning of the file: #!/usr/local/bin/python

Small Examples

  • Hello World
>>> print "Hello, World!"
Hello, World!
  • Hello World with a variable
>>> def hello (what):
...     text = "Hello, " + what + "!"
...     print text
... 
>>> hello ("World")
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