Python Programs

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.

Classes and Methods in Python – Object-oriented features Video Tutorial Python is an object-oriented programming (OOP) language, hence it supports the features of object-oriented programming. The following are the characteristics of OOP: Programs include class and method definitions. Most of the computation is expressed in terms of operations on objects. Objects often represent things in

Classes and functions in Python Video Tutorial To understand the concept we will define a class called Time that records the time of day. The class definition looks like this and We can create a new Time object or instance, also create and assign attributes for hours, minutes, and seconds. class Time: “””Represents the time

Classes and Objects in Python – Programmer-defined types Video Tutorial Python has a lot of built-in data types and we have used many of those types. Now we will try to define our own data type that is called the user-defined (Programmer-defined) data type. To understand how to create a user-defined data type, we consider

How to use Regular expressions in Python This tutorial discusses how to use regular expressions in Python with simple programming examples. To find patterns and to extract various bits of lines, we can use string methods like split() and find() and using lists and string slicing to extract a substring of the lines. #find function on strings str1 = ‘I am an Engg