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Python Crash Course Notes
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#! /usr/bin/env python
print()
parrot_reply = input ("I'm a parrot and can parrot back " +
"anything you type...\nHit enter when you are done.\n\n")
print(parrot_reply)
print()
# use input() to prompt for user input.
# input() pulls in data as a string.
# In python 2.7 use raw_input() as input() expects
# python code and someone can run some unexpected code for you!
fav_color = input("What is your favorite color?: ")
print("Ooh, " + fav_color + " is so sexy!")
print()
phone_greeting = 'Thank you for calling the Python Support Group.'
phone_greeting += '\nWhat can I help you with today? '
help_needed = input(phone_greeting)
print("\nI'd be happy to help you with " + help_needed + ".")
print()
# You can use a variable to store a prompt that is
# multiple lines long appending with +=
club_bouncer_greet = 'You must be 25 to get in, '
club_bouncer_greet += 'how old are you? '
guest_age = int(input(club_bouncer_greet))
if guest_age >= 25:
print('Come on in. It is great to have you here!')
elif guest_age < 25:
print('Um... You need to age a little kiddie.')
else:
print('Hit the road! No jibberish inside here')
print()
# Data gathered with input() needs to be converted to
# integer if that is how it is intended to be used.
num = input("I know if the number you enter is odd or even: ")
num = int(num)
if num % 2 == 0:
print('Oh yeah! I love even numbers.')
else:
print('Neat! That is an odd number you got there')
# Modulo can determine if a number is odd or even
print('\nWhile loopin till user stops it')
buggin_ya = 'Gonna keep buggin ya, until you tell me to: stop it! '
keep_buggin = ""
while keep_buggin != 'stop it!':
keep_buggin = input(buggin_ya)
if keep_buggin != 'stop it!':
print(keep_buggin)
# Keep while looping till user input terminates it.
print()
happy_wife = 'You will be well fed and nookied up! '
want_divorce = False
while not want_divorce:
marriage = input(happy_wife)
if marriage == "it's over!":
want_divorce = True
print('I got a new man!')
elif marriage == "i'm not happy":
want_divorce = True
print('You are history hubby!')
else:
print(marriage)
print("Unless: i'm not happy")
print("Or: it's over!")
# Use a boolean flag to get out of marriage loop in
# several ways
print('\nTake a break out of a loop')
annoying_perv = ('what is the name of someone you slept by? ')
while True:
lover = input(annoying_perv)
if lover == 'nunya':
print('Fine be that way!')
break
else:
print("I'd love to meet " + lover.title() +"...")
print("And thanks for not telling me: nunya")
# Use break to jump out of loop, abandoning remaining code
# in the loop.
# while True will make loop run until it is broken out of.
print('\nStuff a dictionary with while input')
food_orders = {}
tables_occupied = True
while tables_occupied:
table_num = input("What table is this order for? ")
food_order = input("What do they want to eat? ")
food_orders[table_num] = food_order
another_table = input('Any more tables needing to order? yes/no ')
if another_table == 'no':
tables_occupied = False
print('\nYo chef:')
for table_num, food_order in food_orders.items():
print('Table ' + table_num + " wants to devour " + food_order + '.')
# Use a while loop to fill in a dictionary with food orders.
print('\nWhile up a function!')
def get_city_location(city,country):
"""Return city and country with comma inbetween"""
city_country = city + ', ' + country
return city_country.title()
while True:
print("\nInput your location...")
print("(enter 'q' at any time to quit)")
city = input("city: ")
if city == 'q':
break
country = input("\ncountry: ")
if country == 'q':
break
city_location = get_city_location(city, country)
print("\nDon't move! we will get you in " + city_location + '!')
# Create a function and then call it in a while loop
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Python Crash Course Notes
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