Write a Python module called piglatin.py that contains functions for translating

Question

Write a Python module called piglatin.py that contains functions for translating sentences between English and a variant of Pig Latin (see: http://en.wikipedia.org/wiki/Pig_Latin).

To convert from English to Pig Latin, each word must be transformed as follows:

if the word begins with a vowel, ‘way’ should be appended (example: ‘apple’ becomes ‘appleway’)

if the word begins with a sequence of consonants, this sequence should be moved to the end, prefixed with ‘a’ and followed by ‘ay’ (example: ‘please’ becomes ‘easeaplay’)

NB: Assume, when reverting Pig Latin to English that the original English text does not contain the letter "w".

The Python module will contain the following functions:

to_pig_latin(sentence)

Return the Pig Latin sentence for a given English sentence.

to_english(sentence)

Return the English sentence for a given Pig Latin sentence.

Sample I/O:

(E)nglish or (P)ig Latin?

E

Enter an English sentence:

the quick black fox jumps over the lazy apple

Pig-Latin:

eathay uickaqay ackablay oxafay umpsajay overway eathay azyalay

appleway

Sample I/O:

(E)nglish or (P)ig Latin?

P

Enter a Pig Latin sentence:

eathay uickaqay ackablay oxafay umpsajay overway eathay azyalay

appleway

English:

the quick black fox jumps over the lazy apple

Explanation / Answer

# Sample I/O:

# (E)nglish or (P)ig Latin?
# E
# Enter an English sentence:
# the quick black fox jumps over the lazy apple
# Pig-Latin:
# eathay uickaqay ackablay oxafay umpsajay overway eathay azyalay appleway
# Sample I/O:

# (E)nglish or (P)ig Latin?
# P
# Enter a Pig Latin sentence:
# eathay uickaqay ackablay oxafay umpsajay overway eathay azyalay appleway
# English:
# the quick black fox jumps over the lazy apple

def is_vowel(c):
   vowels = "aeiou"
   vowels.find(c.lower())
   if vowels.find(c.lower()) == -1:
       return False
   else:
       return True
#Filtering function

def toPigLatin (sent):
   new_word = ''
   dammit = ''
   for a in sent.split(" "):
       if is_vowel(a[0]):
           a = a+"way "
           dammit = dammit + a
       else:
           for i in range(len(a)):
               if not is_vowel(a[i]):
                   if i == (len(a)-1):
                       new_word = a[i+1:]+"a"+a[0:i+1]+"ay "
                       dammit = dammit + new_word
                   new_word = a[i+1:]+"a"+a[0:i+1]+"ay "   
               else:
                   dammit = dammit + new_word
                   break
   return dammit
  

def toEnglish (sent):
   sec = ''
   for a in sent.split(" "):
       if a[-3:] == "way":
           sec = sec + a[0:-3]+ " "
       else:  
           n = -3
           new_word = ''
           while True:
               if a[n] == 'a':
                   new_word = new_word+ a[:n] + " "
                   break
               else:
                   new_word = a[n] + new_word
                   n = n-1
           sec = sec + new_word
   return(sec)
      
main.py
# test program for english/piglatin translator

import piglatin

choice = input ("(E)nglish or (P)ig Latin? ")
action = choice[:1]
if action == 'E':
    s = input("Enter an English sentence: ")
    new_s = piglatin.toPigLatin(s)
    print("Pig-Latin:")
    print(new_s)
elif action =='P':
    s = input("Enter a Pig Latin sentence: ")
    new_s = piglatin.toEnglish(s)
    print("English:")
    print(new_s)
  

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