Example for Episode 17

episode14/README.txt

@@ -0,0 +1,3 @@
+Example for TWiT Coding 101 - Episode 14
+
+Displays a list of the Coding 101 episodes (from a file), upon selection of a specific episode displays its title, air date and description.

episode14/coding101.py

@@ -10,14 +10,14 @@
 import textwrap
 
 # Print opening title
-print "================================ CODING 101 ================================"
+print '================================ CODING 101 ================================'
 
 # Open the file
-episodeFile = open("coding101.txt", "r")
+episode_file = open('coding101.txt', 'r')
 # Read the lines into a list
-linesFromFile = episodeFile.readlines()
+lines_from_files = episode_file.readlines()
 # Close the file
-episodeFile.close()
+episode_file.close()
 
 # Let's go. The program will execute until run = False
 run = True
@@ -25,25 +25,25 @@ while run:
     # Print an empty line
     print
     # Print the episode list
-    print "Choose an episode:"
+    print 'Choose an episode:'
     print
 
     # Loop through the episodes list.
     count = 0
-    for line in linesFromFile:
+    for line in lines_from_files:
-        # Increment the episode number.
+        # Increment the episode number
         count += 1
         # Split the line using tab as the delimiter
         # The format is: Date<TAB>Episode Title<TAB>Description
-        episode = line.split("\t")
+        episode = line.split('\t')
         # Print the episode number & title.
         # The episode number is converted into a str, and right justified
-        print "\t{0}. {1}".format(str(count).rjust(2), episode[1])
+        print '\t{0}. {1}'.format(str(count).rjust(2), episode[1])
 
     print
 
     # Ask for the episode number
-    choice = raw_input("Enter 0-" + str(count) + " (or ENTER to quit): ")
+    choice = raw_input('Enter 1-' + str(count) + ' (or ENTER to quit): ')
 
     # Did you press enter?
     if not choice:
@@ -52,7 +52,7 @@ while run:
 
     # Validate the selected episode number. It must be a number...
     elif choice.isdigit():
-        # Convert the selection to an integer.
+        # Convert the selection to an integer
         selection = int(choice)
 
         # It must also be between 1 and the total number of episodes
@@ -60,14 +60,14 @@ while run:
         if 1 <= selection <= count:
             print
             print
-            print "============================================================================"
+            print '============================================================================'
-            # Get and split the line for the episode, the list is zero-based.
+            # Get and split the line for the episode, the list is zero-based
-            episode = linesFromFile[selection - 1].split('\t')
+            episode = lines_from_files[selection - 1].split('\t')
-            # Print the episode, title
+            # Print the episode title and aired date
-            print "Episode #" + choice + ": \"" + episode[1] + '" aired on ' + episode[0]
+            print 'Episode #' + choice + ": \"" + episode[1] + '" aired on ' + episode[0]
             print
-            # Print the description, using textwrap to make it look pretty.
+            # Print the description, using textwrap to make it look pretty
             print textwrap.fill(episode[2], width=76)
-            print "============================================================================"
+            print '============================================================================'
             print
-            raw_input("Press ENTER to continue...")
+            raw_input('Press ENTER to continue...')

episode15/.gitignore

@@ -0,0 +1 @@
+.idea

episode15/README.txt

@@ -0,0 +1,3 @@
+Example for TWiT Coding 101 - Episode 15
+
+Displays a list of the Coding 101 episodes (fetched from YouTube), upon selection of a specific episode displays its title, description and URL.

episode15/codingYouTube101.py

@@ -0,0 +1,109 @@
+#!/usr/bin/env python
+
+# Coding YouTube 101
+# 
+# Written by Erik C. Thauvin (erik@thauvin.net)
+# http://erik.thauvin.net/
+# http://github.com/ethauvin/coding101/
+# May 1, 2014
+
+# To warp long lines
+import textwrap
+# For making http requests
+import urllib2
+# For decoding YouTube's API responses
+import json
+
+# Your YouTube API key from https://developers.google.com/youtube/registering_an_application
+youtube_api_key = ''
+
+# Print opening title
+print '============================= CODING YOUTUBE 101 ============================='
+# Print an empty line
+print
+
+# Ask for the API key if none is specified above
+while not youtube_api_key.isalnum():
+    youtube_api_key = raw_input('Enter your YouTube API Key: ')
+    # Did you press enter?
+    if not youtube_api_key:
+        # Stop the program execution. Bye-Bye!
+        exit(0)
+
+# Search for Coding 101 videos using the channel ID and our API key
+youtube_response = urllib2.urlopen(
+    'https://www.googleapis.com/youtube/v3/search?part=snippet&channelId=UCSxIcr2rZZcoU7rSGXaEQag&maxResults=20&order=date&key=' + youtube_api_key)
+
+# Load the list of videos returned by YouTube
+videos = json.load(youtube_response)
+
+# Declare the episodes list
+episodes = []
+
+# Loop through the videos to fill in the episodes list
+for video in videos['items']:
+    # Ensure that it is a video
+    if video['id']['kind'] == 'youtube#video':
+        # Store the title, description and link of the video in our list, separated by tabs
+        # The format is: Title<TAB>Description<TAB>URL
+        episodes.append(
+            video['snippet']['title'] + '\t' + video['snippet']['description'] + '\t'
+            + 'http://youtube.com/watch?v=' + video['id']['videoId'])
+
+# Reverse sort the episodes list
+episodes.reverse()
+
+# Let's go. The program will execute until run = False
+run = True
+while run:
+    print
+    print 'Choose an episode:'
+    print
+
+    # Loop through and print the episodes list.
+    count = 0
+    for episode in episodes:
+        # Split the episode info using tab as the delimiter
+        episode_info = episode.split('\t')
+        # Print the loop count & title
+        # The count is converted into a str, and right justified
+        print '  {0}. {1}'.format(str(count).rjust(2), episode_info[0])
+        # Increment the loop count, unless we're on the last episode
+        if (count + 1) < len(episodes):
+            # Same as: count = count + 1
+            count += 1
+
+    print
+
+    # Ask for the episode number
+    choice = raw_input('Enter 0-' + str(count) + ' (or ENTER to quit): ')
+
+    # Did you press enter?
+    if not choice:
+        # Stop the program execution. Bye-Bye!
+        run = False
+
+    # Validate the selected episode number. It must be a number...
+    elif choice.isdigit():
+        # Convert the selection to an integer
+        selection = int(choice)
+
+        # It must also be between 0 and the total number of episodes
+        # Could be written as: selection >= 0 and selection <= count
+        if 0 <= selection <= count:
+            print
+            print
+            print '=============================================================================='
+            # Split the selected episode info using tab as the delimiter
+            episode_info = episodes[selection].split('\t')
+            # Print the episode title
+            print episode_info[0]
+            print
+            # Print the description, using textwrap to make it look pretty
+            print textwrap.fill(episode_info[1], width=76)
+            print
+            # Print the URL
+            print episode_info[2]
+            print '=============================================================================='
+            print
+            raw_input('Press ENTER to continue...')

episode16/.gitignore

@@ -0,0 +1,2 @@
+.idea
+random.txt

episode16/README.txt

@@ -0,0 +1,3 @@
+Example for TWiT Coding 101 - Episode 16
+
+Generates 100 random numbers, sorts them and writes them to a file.

episode16/randomizer.py

@@ -0,0 +1,73 @@
+#!/usr/bin/env python
+
+# Coding 101: Randomizer
+# 
+# Written by Erik C. Thauvin (erik@thauvin.net)
+# http://erik.thauvin.net/
+# http://github.com/ethauvin/coding101/
+# May 9, 2014
+
+# Import the randrange function
+# See: http://www.tutorialspoint.com/python/number_randrange.htm
+from random import randrange
+
+# The maximum number of random numbers to generate
+max = 100
+# The name of the file to write the number to
+fileName = 'random.txt'
+
+# Initialize the list of random numbers
+random_numbers = []
+
+print
+print 'Generating ' + str(max) + ' random numbers...'
+print
+
+# Initialize the print counter
+print_counter = 0
+# Loop until we have 100 random numbers in our list
+while len(random_numbers) < max:
+    # Get a random number between 0 and 100
+    rand_int = randrange(max)
+    # Append the random number to our list
+    random_numbers.append(rand_int)
+    # Print the random number, converted to a string and right justified
+    # See: http://www.tutorialspoint.com/python/string_rjust.htm
+    # The comma at the end prevents a new line from being printed
+    print '  ' + str(rand_int).rjust(2),
+    # Increment the print counter, same as: printCounter = printerCounter + 1
+    print_counter += 1
+    # If the print counter is 10, print a new line, and reset the counter
+    if print_counter == 10:
+        print
+        print_counter = 0
+
+print
+raw_input('Press ENTER to continue...')
+
+print
+print 'Sorting...'
+print
+
+# Sort the numbers
+random_numbers.sort()
+
+# Open the file for writing, it will be closed automatically when done
+with open(fileName, 'w') as f:
+    print_counter = 0
+    # Loop through our random number list.
+    for number in random_numbers:
+        # Write the number to the file, followed by a new line
+        f.write(str(number) + '\n')
+        # Also print the number on screen
+        print '  ' + str(number).rjust(2),
+        print_counter += 1
+        if print_counter == 10:
+            print
+            print_counter = 0
+
+print
+print 'The numbers have been written to "' + fileName + '"'
+print
+
+raw_input('Press ENTER to quit...')

episode17/.gitignore

@@ -0,0 +1,2 @@
+.idea
+random.txt

episode17/README.txt

@@ -0,0 +1,3 @@
+Example for TWiT Coding 101 - Episode 17
+
+Displays Shannon's wedding RSVP list with options to sort (all, yes, no, not replied) and save.

episode17/rsvp.py

@@ -0,0 +1,142 @@
+#!/usr/bin/env python
+
+# Coding 101: RSVP
+#
+# Written by Erik C. Thauvin (erik@thauvin.net)
+# http://erik.thauvin.net/
+# http://github.com/ethauvin/coding101/
+# May 18, 2014
+
+# The name and extension of the file containing the RSVP list
+file_name = 'rsvp'
+file_ext = '.txt'
+
+# The RSVP statuses
+status_yes = 'Yes'
+status_no = 'No'
+status_nr = 'Not Replied'
+
+# Print the banner
+print '=================================== RSVP ====================================='
+
+# Initialize the RSVP list
+rsvp_list = []
+# Read the file, line by line
+for line in open(file_name + file_ext):
+    # Append the split line as a tuple to our list
+    # The file format is: name,status
+    # e.g.: Shannon Morse,Yes
+    # See: http://www.tutorialspoint.com/python/string_split.htm
+    #      http://www.tutorialspoint.com/python/string_strip.htm
+    #      http://www.tutorialspoint.com/python/python_tuples.htm
+    rsvp_list.append(tuple(line.strip().split(',', 1)))
+
+# Sort the list by names
+rsvp_list.sort(key=lambda rsvp: rsvp[0])
+
+
+#
+# Function to save the list based on the specified status
+#
+def save_list(status):
+    # Create a new file using the status
+    # e.g: rsvp-yes.txt, rsvp-no.txt, rsvp-not-replied.txt
+    # See: http://www.tutorialspoint.com/python/string_replace.htm
+    #      http://www.tutorialspoint.com/python/string_lower.htm
+    new_file = file_name + '-' + status.replace(' ', '-').lower() + file_ext
+    # Open the file for writing, it will be closed automatically when done
+    with open(new_file, 'w') as f:
+        # Loop through the RSVP list
+        for rsvp in rsvp_list:
+            # Determine if the line should be saved, by comparing its status
+            # The statuses are all lower-cased, so the comparison is case-insensitive
+            is_save = False
+            if status.lower() == rsvp[1].lower() == status_yes.lower():
+                is_save = True
+            elif status.lower() == rsvp[1].lower() == status_no.lower():
+                is_save = True
+            elif status.lower() == rsvp[1].lower() == status_nr.lower():
+                is_save = True
+
+            if is_save:
+                # Write the name, followed by a new line
+                f.write(rsvp[0] + '\n')
+    print
+    print 'The list have been written to "' + new_file + '"'
+    print
+
+
+#
+# Function to display the list based on the specified status, if any
+#
+def display_list(status=None):
+    # Print the columns header
+    print
+    print ' #  Name                                                                  RSVP'
+    print '=============================================================================='
+    # The displayed line count
+    count = 1
+    for rsvp in rsvp_list:
+        # Determine if the line should be displayed by comparing its status
+        is_print = False
+        if status is None:
+            is_print = True
+        elif status.lower() == rsvp[1].lower() == status_yes.lower():
+            is_print = True
+        elif status.lower() == rsvp[1].lower() == status_no.lower():
+            is_print = True
+        elif status.lower() == rsvp[1].lower() == status_nr.lower():
+            is_print = True
+
+        if is_print:
+            # Print the count, name and status using right and left justification
+            # See: http://www.tutorialspoint.com/python/string_rjust.htm
+            #      http://www.tutorialspoint.com/python/string_ljust.htm
+            #      http://www.tutorialspoint.com/python/string_title.htm
+            print '{0}. {1} {2}'.format(str(count).rjust(2), rsvp[0].title().ljust(58), rsvp[1].title().rjust(15))
+            # Increment the count, same as: count = count + 1
+            count += 1
+    print
+
+    # Present the option to save the list to a file, is the status is specified
+    if status is not None:
+        save = raw_input('Type \'s\' to save or ENTER to continue: ')
+        if save == 's':
+            save_list(status)
+    else:
+        raw_input('Press ENTER to continue...')
+
+#
+# Let's go. The program will execute until run = False
+#
+run = True
+while run:
+    # Print the options
+    print
+    print 'Choose an option:'
+    print
+    print '\t1. RSVP: All'
+    print '\t2. RSVP: ' + status_yes
+    print '\t3. RSVP: ' + status_no
+    print '\t4. RSVP: ' + status_nr
+    print
+    choice = raw_input('Enter option (or ENTER to quit): ')
+
+    # Did you press enter?
+    if not choice:
+        # Stop the program execution. Bye-Bye!
+        run = False
+
+    # Validate the selected option. It must be a number...
+    elif choice.isdigit():
+        # Convert the selected option to an int
+        selection = int(choice)
+        # Display the list based on the selected status
+        if selection == 1:
+            display_list()
+        elif selection == 2:
+            display_list(status_yes)
+        elif selection == 3:
+            display_list(status_no)
+        elif selection == 4:
+            display_list(status_nr)

episode17/rsvp.txt

@@ -0,0 +1,11 @@
+Shannon Morse,Yes
+Keith Coffman,Yes
+Aunt Morse,No
+Cranky Hippo,Yes
+Daddy Morse,Not Replied
+Mommy Coffman,Yes
+Mommy Morse,Yes
+Nana Morse,Yes
+Officiant Tom,Yes
+Papa Coffman,Yes
+Sister Kate,No