Python Sample

PySample.py

# Python Quick Start v1.2.2 (UPDATED: 4/4/14 8:30 PM EDT)
# Copyright (c) 2014 Albert Huang ([email protected] / alberthuang.me)
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# 
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
########################################################################
# This is a comment.

import os
import sys

print("Hello, world!")

#inp = raw_input()
inp = raw_input("Enter something: ")
print "You entered: ", inp

ninp = int(raw_input("Enter a number: "))
print "You entered number %i, plus 1 is %i!" % (ninp, ninp + 1)

a = 5
b = 3

if b < a:
	print "b < a is TRUE"
else:
	print "b < a is FALSE"

# if b == a:
# if b > a:
# if b <= a:
# if b >= a:

c = 0

while b < a:
	print "Keep going!"
	c += 1
	if c == 3:
		break

# Equivalent to for (i = 0; i < 5; i++) {}
for i in range(0, 5):
	print i

#######################################
# Arrays
arr = [ "hello", "world", "land" ]
for mystr in arr:
	print "======================================"
	print mystr
	print mystr.upper()
	print mystr[::-1]
	print mystr.upper()[::-1]
	print "Trim 2 from front:"
	print mystr[2:]
	print "Trim 2 from end:"
	print mystr[:-2]
	print "Just first 2:"
	print mystr[:2]
	print "Every other letter:"
	print mystr.upper()[::2]
	print "--------------------------------------"

#######################################
# Dictionaries - key, value
dct = {
		"hello": "world",
		"pig": "oink",
		"one": 1,
	}

for key in dct:
	print "KEY %s : VALUE %s" % (key, dct[key])

#######################################
# Complicated stuff
#######################################

#######################################
# File I/O

fh = open("text.txt", "w")
fh.write("Cool beans!\n")
fh.close()

fh2 = open("text.txt", "r")
stuff = fh2.read()
fh2.close()

print "File contents:"
print "------------------"
print stuff
print "------------------"

# Delete stuff
os.remove("text.txt")

######################################
# OS detection. Yay!
print "Hmm, what OS are you using?"
if sys.platform == "linux2":
	print "I found Linux!"
elif sys.platform == "win32":
	print "I found Windows!"
elif sys.platform == "darwin":
	print "I found Mac OS X!"

## DISCLAIMER: This may be inaccurate... but only on special systems!
## In most cases, you don't need to worry about it.