Amend seeds to make encoding work correctly

lib/tasks/project_components/codebreaker_example/main.py

@@ -1,77 +1,77 @@
-##!/bin/python3 
+##!/bin/python3
 from pygal import Bar
 from frequency import english
 
-# Set up data structures 
-alphabet = list('abcdefghijklmnopqrstuvwxyz ') # List from a string
+# Set up data structures
+alphabet = list(' abcdefghijklmnopqrstuvwxyz ') # List from a string
 code = {}
 
 # Create the atbash code by reversing the alphabet
 def create_code():
   backwards = list(reversed(alphabet)) # Reversing a list
-  
+
   for i in range(len(alphabet)): # Getting length of a list
     code[alphabet[i]] = backwards[i] # Populate the code dictionary with a letter of the alphabet and its encoded letter
-  
+
   #print(code)
 
 # Calculate the frequency of all letters in a piece of text
 def frequency(text):
   text = list(text.lower()) # Lowercase the message and make it a list
-  
+
   freq = {} # Create a dict of every letter, with a count of 0
   for letter in alphabet:
     freq[letter] = 0
-  
+
   total_letters = len(text) # Count the letters in the message
-  
+
   for letter in text:
-    if letter in freq: 
+    if letter in freq:
       freq[letter] += 1
-  
+
   for letter in freq: # Convert from counts to percentages
     freq[letter] = freq[letter] / total_letters * 100
-  
+
   return freq
 
 # Make frequency chart
 def make_chart(text, language):
   chart = Bar(title='Frequency analysis', x_labels = list(text.keys()))
   chart.add('Target message', list(text.values())) # First explicit use of values
   chart.add('Language', list(language.values()))
-  
+
   chart.render()
 
 
 # Encode/decode a piece of text — atbash is symetrical
 def atbash(text):
   text = text.lower() # Converting text to lowercase
   output = ''
-  
-  for letter in text: 
-    if letter in code: 
+
+  for letter in text:
+    if letter in code:
       output += code[letter] # Populate output with the encoded/decoded message using the dictionary
-  
+
   return output # Return the encoded/decoded message
 
 
 # Fetch and return text from a file
 def get_text(filename):
     with open(filename) as f:
       text = f.read().replace('\n','') # Need to strip the newline characters
-    
+
     return text
 
-# Create a text-based menu system  
+# Create a text-based menu system
 def menu():
   choice = '' # Start with a wrong answer for choice.
-  
+
   while choice != 'c' and choice != 'f': # Keep asking the user for the right answer
     choice = input('Please enter c to encode/decode text, or f to perform frequency analysis:' )
-  
+
   if choice == 'c':
     print('Running your message through the cypher…')
-    message = get_text('longer.txt') # Take input from a file 
+    message = get_text('longer.txt') # Take input from a file
     code = atbash(message)
     print(code)
 
@@ -82,11 +82,11 @@ def menu():
     # print(message_freq)
     lang_freq = english # Import the English frequency dictionary
     make_chart(message_freq, lang_freq) # Call the function to make a chart
-    
+
 # Start up
 def main():
   create_code()
   menu()
 
-  
+
 main()

lib/tasks/project_components/codebreaker_short_message_encoder/main.py

@@ -1,77 +1,77 @@
-##!/bin/python3 
+##!/bin/python3
 from pygal import Bar
 from frequency import english
 
-# Set up data structures 
-alphabet = list('abcdefghijklmnopqrstuvwxyz ') # List from a string
+# Set up data structures
+alphabet = list(' abcdefghijklmnopqrstuvwxyz ') # List from a string
 code = {}
 
 # Create the atbash code by reversing the alphabet
 def create_code():
   backwards = list(reversed(alphabet)) # Reversing a list
-  
+
   for i in range(len(alphabet)): # Getting length of a list
     code[alphabet[i]] = backwards[i] # Populate the code dictionary with a letter of the alphabet and its encoded letter
-  
+
   #print(code)
 
 # Calculate the frequency of all letters in a piece of text
 def frequency(text):
   text = list(text.lower()) # Lowercase the message and make it a list
-  
+
   freq = {} # Create a dict of every letter, with a count of 0
   for letter in alphabet:
     freq[letter] = 0
-  
+
   total_letters = len(text) # Count the letters in the message
-  
+
   for letter in text:
-    if letter in freq: 
+    if letter in freq:
       freq[letter] += 1
-  
+
   for letter in freq: # Convert from counts to percentages
     freq[letter] = freq[letter] / total_letters * 100
-  
+
   return freq
 
 # Make frequency chart
 def make_chart(text, language):
   chart = Bar(title='Frequency analysis', x_labels = list(text.keys()))
   chart.add('Target message', list(text.values())) # First explicit use of values
   chart.add('Language', list(language.values()))
-  
+
   chart.render()
 
 
 # Encode/decode a piece of text — atbash is symetrical
 def atbash(text):
   text = text.lower() # Converting text to lowercase
   output = ''
-  
-  for letter in text: 
-    if letter in code: 
+
+  for letter in text:
+    if letter in code:
       output += code[letter] # Populate output with the encoded/decoded message using the dictionary
-  
+
   return output # Return the encoded/decoded message
 
 
 # Fetch and return text from a file
 def get_text(filename):
     with open(filename) as f:
       text = f.read().replace('\n','') # Need to strip the newline characters
-    
+
     return text
 
-# Create a text-based menu system  
+# Create a text-based menu system
 def menu():
   choice = '' # Start with a wrong answer for choice.
-  
+
   while choice != 'c' and choice != 'f' and choice != 'm': # Keep asking the user for the right answer
     choice = input('Please enter c to encode/decode a text file, f to perform frequency analysis, or m to enter your own message to encode:' )
-  
+
   if choice == 'c':
     print('Running your message through the cypher…')
-    message = get_text('longer.txt') # Take input from a file 
+    message = get_text('longer.txt') # Take input from a file
     code = atbash(message)
     print(code)
 
@@ -82,16 +82,16 @@ def menu():
     # print(message_freq)
     lang_freq = english # Import the English frequency dictionary
     make_chart(message_freq, lang_freq) # Call the function to make a chart
-    
+
   elif choice == 'm':
     message = input('What text would you like to encode?')
     code = atbash(message)
     print(code)
-    
+
 # Start up
 def main():
   create_code()
   menu()
 
-  
+
 main()