Question

%%%%Python Question%%%

Work from the template acrostic.py, which you can find on the ELMS page for this assignment. • In the Generator class, write an __init__() method with two parameters: self and the path to a text file containing one word per line. This method should read the words from the file, strip off leading and trailing whitespace, and store them in a dictionary where each key is a lower-case letter and each corresponding value is a list of words that start with that letter. For example, if you read in the words "dog", "horse", "cat", "dolphin", "hamster", and "duck", you would make this dictionary: {"c": ["cat"], "d": ["dog", "dolphin", "duck"], "h": ["horse", "hamster"]} Store the dictionary in an attribute called words. Hint: each time you read a new word from the file, determine what dictionary key the word should be stored under. If that key is not in the dictionary already, set the key equal to an empty list. Then, outside of your if statement, append the word to the list. • Also in the Generator class, write a generate() method with two parameters: self and a string that you will use to generate an acrostic. This method should build a list. Iterate over each character in the string that was passed in as an argument. If the lower-case version of the character is a key in self.words, randomly choose one of the words from self.words that starts with that letter, and add it to your list; otherwise, just add the character directly to your list. When you have finished iterating, instantiate a new Acrostic object, passing in your list as an argument. Return the Acrostic object you just created. Hint: random.choice() is your friend. • In if __name__ == "__main__":, do the following: ∘ Grab the first two command line arguments after the name of the script. The first one should be a path to a text file that consists of one word per line. The second one should be a string to convert into an acrostic. ∘ Create an instance of the Generator class, passing in the first command line argument. ∘ Call the generate() method of your Generator instance, passing in the second command line argument. Print the result. • Write class and method docstrings for the Generator class. When you run your script, be sure to provide two command-line arguments: a path to a word list file, and a string to convert into an acrostic.

""" Generate acrostics at random. """

import random

import sys

class Acrostic:

""" An acrostic.

Attributes:

lines (list of str): a list consisting of the lines of the

acrostic.

"""

def __init__(self, lines):

if not all([isinstance(line, str) for line in lines]):

raise ValueError("Not all items in lines are strings")

self.lines = lines

def __str__(self):

""" Return a string representation of the acrostic. """

return "\n".join(self.lines)

def msg(self):

""" Extract the message from which the acrostic was generated. """

return "".join([line[0] for line in self.lines])

class Generator:

""" Please put a proper docstring here """

# please put some methods here

if __name__ == "__main__":

# please put some code here

Answer 1

The question is pretty straight forward , I have documented the code do read it properly,

Check below images for output screenshot and image of the code as in python indentation must be correct

Code

import random

import sys

class Acrostic:

""" An acrostic.
  
Attributes:
  
lines (list of str): a list consisting of the lines of the
  
acrostic.
  
"""
  
def __init__(self, lines):
  
if not all([isinstance(line, str) for line in lines]):
  
raise ValueError("Not all items in lines are strings")
  
self.lines = lines

  
def __str__(self):
  
""" Return a string representation of the acrostic. """
  
return "\n".join(self.lines)
  
def msg(self):
  
""" Extract the message from which the acrostic was generated. """
  
return "".join([line[0] for line in self.lines])
  
class Generator:

"""
attribute : words -> dictionary storing the list of words
  
__init__
reads word line by line from the path provided in the parameter , creates a dictionary as mentioned
in the question and assign the value to the words attribute of the class
  
generate()
return a Acoustic object from the string parameter passed to it.
"""
  
# please put some methods here
words={}
def __init__(self,path):
f = open(path, "r")
while True:
word=f.readline()
if not word:
break
word=word.strip()
if word[0] not in self.words.keys():
self.words[word[0]]=[]
self.words[word[0]].append(word)
  
def generate(self,string):
list=[]
for i in string:
if i.lower() in self.words.keys():
temp_lst=self.words[i.lower()]
list.append(random.choice(temp_lst))
else:
list.append(i)
acr=Acrostic(list)
return acr
  
  
  
if __name__ == "__main__":

# please put some code here
pth=sys.argv[1]
string=sys.argv[2]
  
gen=Generator(pth)
Acr=gen.generate(string)
print(Acr)

Output

Code Screenshot :