Added the API via upload.

Author: Coder-X15

Code_Alpha.py

@@ -0,0 +1,51 @@
+alphabets = ['A','B','C','D','E','F','G','H',
+     'I','J','K','L','M','N','O','P',
+     'Q','R','S','T','U','V','W','X','Y','Z'] # series of alphabets in order
+
+def find_index(letter):
+    '''Returns the index of the alphabet in the series of alphabet''' 
+    return alphabets.index(letter)
+
+def code_cyclic(index, letter):
+    '''Cyclic transform of letters based on the index of the letter in the word and
+     that in the series of alphabets in order
+     Arguments (Parameters, I guess):
+     _____________
+     index - index of the letter in the word (type : int)
+     letter - the letter to b coded (type : str)'''
+    # The formula used here is : 26 * (index of the letter in word - 1) + (index of the
+    # letter in the alphabets)
+    # I had to use a separate variable 'index' to avoid the confusion the program gets when
+    # choosing the index of the letter (eg, in the case of "HELLO", there are 2 'l' 's and this will cause confusion
+    # This problem has been solved in the upcoming function.
+    return 26 * index + (find_index(letter) + 1)
+
+def code_word(word):
+    '''codes each word with an array of numbers'''
+    number_code = []
+    i = 0
+    for letter in word:
+            number_code.append(code_cyclic(i, letter))
+            i += 1
+    return number_code
+
+def  code_sentence(sentence):
+    '''codes the given sentence into an array of numbers'''
+    sentence_number_coded = []
+    for word in sentence.split():
+        sentence_number_coded.append(code_word(word))
+    return sentence_number_coded
+
+def  code_sentence_to_numeric_string(sentence):
+    '''codes the given sentence into an array of numbers, each array transfored into a
+    numeric string'''
+    sentence_number_coded = []
+    for word in sentence.split():
+        string = ""
+        for number in code_word(word):
+            string += str(number) + "-"
+        sentence_number_coded.append(string)
+        sentence_number_coded.append("<space>")
+    converted_string =  str().join(sentence_number_coded)
+    # hope the <space> won't taunt you or disturb you... :)
+    return converted_string