VTU CBCS Notes

How to Parse JavaScript Object Notation (JSON) in Python The JSON format was inspired by the object and array format used in the JavaScript language. But since Python was invented before JavaScript, Python’s syntax for dictionaries and lists influenced the syntax of JavaScript Object Notation (JSON). So the format of JavaScript Object Notationis nearly identical

Python program to check the validity of a password using regular expressions Problem Definition Develop a python program to check the validity of a password. The password should contain at least, i) one lower case letter, ii) one digit, iii) one uppercase letter iv) one special character [$@#!] v) six characters long. The program should

Python program that accepts a sentence and builds a dictionary Problem Definition: Develop a python program that accepts a sentence and builds a dictionary with LETTER, DIGITS, LOWERCASE, and UPPERCASE as key values and their count in the sentence as the values. Example: Str = VTU@123.e-Learning Output: d = {“LETTER”: 12, “DIGITS”: 3, “LOWERCASE”: 8, “UPPERCASE”: 4}

Python Program to Count Frequency of each Word in a given file by Removing Punctuation Character. Problem Definition Develop a Python program to read through the lines of the file, break each line into a list of words, remove all punctuation characters, and then loop through each of the words in the line and count

Python program extract decimal number in the range of 00-99 using regular expressions. Problem Definition Develop a Python program to read through the lines of the file, find the lines which start with X followed by one or more non-space characters, followed by a: character and decimal number in their range of 00-99. Extract decimal

Python program to extract all lines those start with From Problem Definition Develop a simple python program to read a file name and extract all lines those start with “From” in a given file. Video Tutorial Step by Step solution to Problem First, read the filename from the user and store it in variable fname.

How to Retrieving web pages with urllib In this, tutorial we will discuss How to Retrieving web pages with urllib. We can manually send and receive data over HTTP using the socket library. But in this case, we need to construct the request command manually and send it and parse the received data to remove

How to retrieve web page over HTTP Python – Networked Programs in Python Here we discuss how to retrieve web pages using the Hypertext Transfer Protocol (HTTP). Once the web page is retrieved, then we will read through the web page data and parse it. The set of programs are called networked programs in python.