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Programming Articles
Page 2529 of 2547
Python Completion function for GNU readline
Unix readline module has tab completion mechanism. To get these features, we have to use rlcompleter module. It can be used in python’s interactive mode. To use this module, we should import it using − import rlcompleter There is a class called Completer class − Method Completer.complete(text, state) This method is used to return the tab completion output. If there is a ‘.’ in the text, then it will try to get all related members of that command. When there is no dot ‘.’ it will just complete the text. Example Code import rlcompleter import sys ...
Read MorePrint powers using Anonymous Function in Python?
Here we used anonymous (lambda) function inside the map() built-in function. In Python, anonymous function is defined without name, its defined using lambda keyword. Algorithm Step 1: input n Step 2: input p Step 3: use anonymous function. Step 4: display result. Example Code # To display the powers of any number using anonymous function n = int(input("Enter how many terms want to display??")) p = int(input("Enter the number want to calculate power ::")) # use anonymous function cal = list(map(lambda i: p ** i, range(n))) # display the result print("The total terms is ::>", ...
Read MoreFind average of a list in python?
Python provides sum function for calculating n number of element. Here we use this function and then calculate average. Algorithm Step 1: input “size of the list” Step 2: input “Element” Step 3: using sum function calculate summation of all numbers. Step 4: calculate average. Example code # Average of a list A=list() n=int(input("Enter the size of the List ::")) print("Enter the number ::") for i in range(int(n)): k=int(input("")) A.append(int(k)) sm=sum(A) avg=sm/n print("SUM = ",sm) print("AVERAGE = ",avg) Output Enter the size of the List ::5 Enter the number:: 10 20 30 40 50 SUM = 150 AVERAGE = 30.0
Read MorePython Program to crawl a web page and get most frequent words
Our task is to crawl a web page and count the frequency of the word. And ultimately retrieving most frequent words. First we are using request and beautiful soup module and with the help of these module creating web-crawler and extract data from web page and store in a list. Example code import requests from bs4 import BeautifulSoup import operator from collections import Counter def my_start(url): my_wordlist = [] my_source_code = requests.get(url).text my_soup = BeautifulSoup(my_source_code, 'html.parser') for each_text in my_soup.findAll('div', {'class':'entry-content'}): ...
Read MorePython program to create a sorted merged list of two unsorted list
Here two user input list is given, the elements of two lists are unsorted. Our task is to merged these two unsorted array and after that sort the list. Example Input: A [] = {100, 50, 150} B [] = {200, 30, 20} Output: Merge List:{20, 30, 50, 100, 150, 200} Algorithm Step 1: first we create two user input list. Step 2: Final merge list size is (size of the first list + the size of the second list). Step 3: then sort two list using sort() method. Step ...
Read MorePython Program to Cyclic Redundancy Check
For detecting errors in digital data CRC is used, this is a good technique in detecting the transmission errors. In this technique mainly binary division is applied. In these technique, cyclic redundancy check bits are present which is a sequence of redundant bits, these bits are appended to the end of data unit so that the resulting data unit becomes exactly divisible by a second which is predetermined binary number. At the destination side, the incoming data is divided by the same number, if there is no remainder then assumed that data is correct and it’s ready to accept. A ...
Read MoreC++11 features in Visual Studio 2015
C++11 is a version of standard C++ language. It was approved by International Organization for Standardization (ISO) on 12 August 2011 then C++14 and C++17. C++11 makes several additions to the core language. Visual C++ implements the vast majority of features in C++11. Some of the following C++11 features in Visual Studio 2015 − nullptr − In the previous nullptr, zero used to be the value and it had a drawback ofimplicit conversion to integral value. The null pointer literal is represented by std::nullptr_t. In this nullptr, no implicit conversion exists. Lambdas − The lambda expression allows to ...
Read MorePython Alternate repr() implementation
In Python, if we want to limit the large amount of data from displaying, we can use the reprlib module. To use this module, we should import it using. import reprlib There are different classes and methods related to reprlib. These are − Class reprlib.Repr The Repr class provides formatting services. It creates functions like built-in repr(). In this class we can add size limits and different object types. Method reprlib.repr(object) This method is used to return string like built-in repr() method, But in this case there is a limits on most sizes. Repr Objects The Repr object ...
Read MoreColor game using Tkinter in Python
For developing GUI applications tkinter is very popular and easy. Using tkinter easily develop GUI games. Here also we are trying to develop color game. In this game the player has to enter color of the word that appears on the screen and hence the score increases by one, the total time to play this game is 30 seconds and colors used in this game are Red, Blue, Green, Pink, Black, Yellow, Orange, White, Purple and Brown. The interface will display name of different colors in different colors. User has to identify the color and enter the correct color name ...
Read MorePython program maximum of three.
Given three number a b and c, our task is that we have to find the maximum element in among in given number. Example Input: a = 2, b = 4, c = 3 Output: 4 Algorithm Step 1: input three user input number. Step2: Add three numbers to list. Step 3: Using max() function to find the greatest number max(lst). Step 4: And finally we will print maximum number. Example Code def maximum(a, b, c): list = [a, b, c] return max(list) # ...
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