Question

class FileUtility:

def __init__ (self, filename):

self.__filename = filename

def displayFile(self):

# use loop structure to read and print each line of the file

def main():

#1. create a new file and write the follwing lines to it.

#

#I never saw a Purple Cow,

#I never hope to see one,

#But I can tell you, anyhow,

#I’d rather see than be one!

#

#2. create an object of FileUtility class

#3. call the object's displayFile method

main()

Answer 1

NOTE: I have completed answer for your question. Please check and let me know if you have any queries. I will get back to you within 24 hours. Thanks for your patience.

Code:

#!/usr/local/bin/python3

class FileUtility:
   def __init__(self, filename):
       # constructor to set the file
       self.filename = filename

   def displayFile(self):
       # opening the file in read mode
       fp = open(self.filename)
       # displaying the contents of file
       print('File contents for the file "%s" are'%self.filename)
       for each_line in fp:
           print(each_line.strip())
       fp.close()

def main():
   # setting the file name
   file_name = 'testfile'
   # creating an object of the class FileUtility
   fu = FileUtility(file_name)

   # opening the file in write mode and write contents into it
   fp = open(file_name, 'w')
   fp.write('I never saw a Purple Cow,\n')
   fp.write('I never hope to see one,\n')
   fp.write('But I can tell you, anyhow,\n')
   fp.write('I’d rather see than be one!\n')
   fp.close()  

   # displaying the contents of file
   fu.displayFile()
  
main()

Code screenshot:

Code output screenshot: