pytut2

pytut2.py

import sys

def a_function(multiply):  # multiply should be True or False
	if multiply:  # the caller has asked for a multiplier function
		def another_func(x):  # define a new multiplier function (object)
			return x*x
	else: # the caller has asked for a non-multiplier function
		def another_func(x): # define a new multiplier function (object)
			return x+x
	another_func.cheese = "yummy" # Functions are real objects, so they can have arbitrary properties
	return another_func # return the newly created function object

fizzes = ['fizz', 'cat', 'fizz']

print len([x for x in fizzes if x=='fizz'])

double = lambda n: n*2 # Quick way to make a 1-argument, 1-result function
triple = lambda n: n*3

x = "string1"
x = x + "string2"
x = 3

"abcdef"[::-1] # reverse copy, result is "fedcba"

'string %s' % ("hello",)

'string {0}'.format("hello")

a_list = [1,2,3]
a_dictionary = {
	'a': True,
	'b': 2, 
	50: 'c', # integers are immutable, legal
	False: "another value",  # booleans are immutable, legal
	(1,2): "tuple value", # tuples are immutable, this is legal
	[1,2]: "list value", # lists are not immutable, this is illegal
}

costs = {
	'Charlotte': 183,
	'Tampa': 220,
	'Pittsburgh': 222,
	'Los Angeles': 475,
}

def planeRideCost(city):
	if city in costs:
		return costs[city]

def rentalCarCost(days):
	total = days * 40
	if days>7:
		return totol - 50
	elif days>3:
		return total - 20
	else:
		return total




if __name__ == '__main__':
	f = a_function()
	f()