Added comments with proper formatting and docstring

pdfreader.py

@@ -2,40 +2,51 @@
 import pyttsx3
 import PyPDF2
 
-path = sys.argv[1]
+path = sys.argv[1]  # path to file
 
 #files = open(path,'r')
 
 #matter = files.read()
 #print (matter)
 
-pdfFileObj = open(path, 'rb')
-pdfReader = PyPDF2.PdfFileReader(pdfFileObj)
-a=pdfReader.numPages
+pdfFileObj = open(path, 'rb')  # File object
+pdfReader = PyPDF2.PdfFileReader(pdfFileObj)  # pdf file reader
+a=pdfReader.numPages  # Number of pages in the pdf file
 print(a)
-x=1
-c=1
-
-#Reads the PDF
+x=1  # Flag for loop continuation
+c=1  # User's choice for continuing program 1=Yes, 2=No
 
 def read(page):
-
-    page_content= pdfReader.getPage(int(page))
-    b = page_content.extractText()
+    """Reads out the specified 
+    page of the pdf
+    """
+
+    page_content= pdfReader.getPage(int(page))  # Page object of page to be read
+    b = page_content.extractText()  # Generating a string of text on the page
     print(b)
-    engine = pyttsx3.init()
-    rate = engine.getProperty('rate')
+
+    engine = pyttsx3.init()  # Text to speech engine
+
+    # Setting speech rate to 150 words per minute
+    rate = engine.getProperty('rate') 
     engine.setProperty('rate', rate-50)
+
+    # Reading out text
     engine.say(b)
     engine.say("Page number "+str(page)+" is completed")
+
+    # Wait until all text has been read out and stops the engine
     engine.runAndWait()
     engine.stop()
 
-# The main code
+# The loop which interacts with the user to read out their desired page of the file
 while(x):
+    # User input for page number
     page = input("Enter the page number to read :")
 
     read(page)
+
+    # Continuation prompt
     c=int(input("Do you want to continue? (1)Yess (2)No"))
     if(c==2):
         x=0