#coding=utf-8
print "Let‘s practice everything."
print ‘ You\‘d need to know\‘bout escapes with \\ that do \n newlines and \t tabs.‘
poem = """
\tThe lovely world
with logic so firmly planted
cannot discern \n the needs of love
nor comprehend passion from intuition
and requires an explanation
\n\twhere there is none.
"""
print "----------------"
print poem
print "----------------"
five = 10 - 2 + 3 - 6
print "This should be five: %s" % five
def secret_formula(started):
jelly_beans = started * 500
jars = jelly_beans / 1000
crates = jars / 100
return jelly_beans, jars, crates
start_point = 10000
beans, jars, crates = secret_formula(start_point) #函数内部的变量都是临时的，当你的函数返回以后，返回值可以被赋予一个变量----》即可以创建一个新变量来存放函数的返回值。
print "With a starting point of: %d" % start_point
print "We‘d have %d beans, %d jars, and %d crates." % (beans, jars, crates)
start_point = start_point / 10
print "We can also do that this way:"
print "We‘d have %d beans, %d jars, %d crates." % secret_formula(start_point)
Python--函数内部变量都是临时的，当函数返回以后，返回值可以赋予一个变量。
原文：http://www.cnblogs.com/patrickyuan/p/6492088.html