Added documentation

pdfreader.py

@@ -1,27 +1,28 @@
-import sys
-import pyttsx3
-import PyPDF2
+import sys #importing sys module
+import pyttsx3 #importing pytttsx3 module
+import PyPDF2#importing PyPDF2 module
 
-path = sys.argv[1]
+path = sys.argv[1] #taking command line arguments from the terminal
 
 #files = open(path,'r')
 
 #matter = files.read()
 #print (matter)
 
-pdfFileObj = open(path, 'rb')
+pdfFileObj = open(path, 'rb') # creating a Pdf file object from the given path in read binary mode
 pdfReader = PyPDF2.PdfFileReader(pdfFileObj)
 a=pdfReader.numPages
 print(a)
 x=1
 c=1
 
-#Reads the PDF
-
-def read(page):
 
+def read(page): 
+    """
+    Function to read a particular page in a pdf 
+    """
     page_content= pdfReader.getPage(int(page))
-    b = page_content.extractText()
+    b = page_content.extractText()  #using module function extractText() to read the entire page data in string format
     print(b)
     engine = pyttsx3.init()
     rate = engine.getProperty('rate')
@@ -31,12 +32,12 @@ def read(page):
     engine.runAndWait()
     engine.stop()
 
-# The main code
+#Client code to read user given page number from a pdf
 while(x):
     page = input("Enter the page number to read :")
 
     read(page)
-    c=int(input("Do you want to continue? (1)Yess (2)No"))
+    c=int(input("Do you want to continue? (1)Yes (2)No"))
     if(c==2):
         x=0
         print("Thank you")