Intial commit.

episode14/coding101.py

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+#!/usr/bin/env python
+
+# Coding 101
+# 
+# Written by Erik C. Thauvin (erik@thauvin.net)
+# http://erik.thauvin.net/
+# http://github.com/ethauvin/coding101/episode14
+# April 26, 2014
+
+import textwrap
+
+# Print opening title
+print "================================ CODING 101 ================================"
+
+# Open the file
+episodeFile = open("coding101.txt", "r")
+# Read the lines into a list
+linesFromFile = episodeFile.readlines()
+# Close the file
+episodeFile.close()
+
+# Let's go. The program will execute until run = False
+run = True
+while run:
+    # Print an empty line
+    print
+    # Print the episode list
+    print "Choose an episode:"
+    print
+
+    # Loop through the episodes list.
+    count = 0
+    for line in linesFromFile:
+        # 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")
+        # 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
+
+    # 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 1 and the total number of episodes
+        # Could be written as: selection >= 1 and selection <= count
+        if 1 <= selection <= count:
+            print
+            print
+            print "============================================================================"
+            # Get and split the line for the episode, the list is zero-based.
+            episode = linesFromFile[selection - 1].split('\t')
+            # Print the episode, title
+            print "Episode #" + choice + ": \"" + episode[1] + '" aired on ' + episode[0]
+            print
+            # Print the description, using textwrap to make it look pretty.
+            print textwrap.fill(episode[2], width=76)
+            print "============================================================================"
+            print
+            raw_input("Press ENTER to continue...")