276 docs tagged with "Python"

The concept of variables and how to declare variables in Python

Learn how to access specific elements in a tuple and understand the basics of indexing

How to add and modify values using dictionary keys

How to add new elements to a Set data type

How to add new elements to a list

Understanding the concept and characteristics of polymorphism in object-oriented programming

Python

Implement a function to determine if two given strings are anagrams of each other

Concepts and Differences of High-Level Language and Low-Level Language

Definition of Boolean data type and example code usage

Basic principles of the BFS algorithm and its implementation using Python

Implementing Caesar Cipher in Python using two methods

Example code for calculating the Fibonacci sequence using lambda functions

Write a function to calculate grades based on given scores

Usage of min(), max(), sum() Functions

How to perform basic arithmetic operations (+, -, *, /) using Python

Implement a function that computes the union and intersection of two sets

How to use the case conversion methods upper() and lower() in Python

Understanding character encoding needed for web crawling, and methods for data cleansing and storage

3 Ways to Verify a Palindrome String

Verify if an object is an instance of a specific class using the isinstance() function

How to use the 'is' operator and its difference from the '==' operator

How to check if a specific key exists in a dictionary using the in keyword

Understanding the concept of class variables with code examples

Write a function to find the number of ways to form a specific number using Dynamic Programming (DP).

Write a function that calculates the minimum total time required for people to withdraw money from an ATM using a greedy algorithm.

Write a function to apply the Caesar cipher to a string

Write a function to calculate the sum of a list using divide and conquer.

Write a function to calculate the sum of all elements in a list recursively.

Write a function to check the existence of a specific data element within a linked list.

Learn how to calculate squares in Python and implement it in code.

Write a function to create a dictionary

Write a function to generate a list of numbers that are powers of 2

Creating a Car Class

Write a function to determine if two given strings are anagrams

Return a grade corresponding to the score

Write a function that determines if each element in a list is odd or even.

Write a function to traverse a 2D array diagonally

Use filter() and map() to extract only odd numbers from a list.

Implement the Fibonacci sequence using a recursive function.

Write a function to find the smallest odd value using a Binary Search Tree

Write a function that returns a list of all prime numbers within a given integer range

Write a function to find the first non-repeating character in an array of strings using a hash table.

Write a function to find the union and intersection of two sets

Write a function to find the unique words in an array of strings

Write a function to find a specific element in a list using a sequential search.

Write a function to find the indices of two numbers in an array that add up to a specific target

Write a function to find rotten apples.

Write a function to find possible travel routes using the given flight tickets by utilizing graph traversal algorithms.

Write a function to flatten a 2D array into a 1D array.

Create a program that takes a list of strings and outputs the length of each string.

Write a function to solve the gym uniform problem using a greedy algorithm.

Write a function to find the index of a target value in a list using binary search.

Create a function that sorts a list of numbers in ascending order using the bubble sort algorithm.

Write a function to sort a list of numbers in ascending order using the insertion sort algorithm.

Create a simple hash table data structure using Python.

Create a simple linked list data structure in Python.

Create a simple queue data structure using Python.

Create a simple stack data structure in Python.

Create a simple array data structure using Python.

Class Quiz

Write a function that sorts a list of numbers in ascending order using the selection sort algorithm.

Write a function that returns a list of integers with a sum greater than a given target using a stack.

Calculate the minimum number of operations to reduce a given integer n to 1 using dynamic programming

Write a function to find the most profitable buy and sell days from a list of stock prices.

Coding quiz to print the order of visits using BFS

Write code to dynamically format output based on input values.

Write a function to determine if a given string is a palindrome.

Write a function that converts Celsius(C) to Fahrenheit(F) and vice versa

Write a function to remove the smallest number from a list of integers

Write a program using a Python function to return 10 times the given number.

Write a function to reverse a string

How to reverse a string using stacks

Write a function using the dictionary get method to safely extract values for specific keys.

Create a function to sort a list of numbers in ascending order using the merge sort algorithm.

Create a function that sorts a list of numbers in ascending order using the quick sort algorithm.

A coding quiz using Python's `sort()` function for list sorting

Write a function that sorts a list of tuples consisting of names and scores in descending order by the score.

A coding quiz using Python's find() and rfind() functions to locate specific parts within a string.

Write a function that converts characters at even indices to uppercase and characters at odd indices to lowercase

Write a function to calculate the average of integers using the Queue data structure

A coding quiz to print the visit order using DFS

Logical operators and and or used to combine Boolean values

Differences between Python list concatenation operator and element addition with code examples

Understanding the differences between loops and recursive functions through factorial calculation examples

Differences between the format() function and f-Strings

Usage of the '+' operator for string concatenation with code examples

Managing logic flow in while loops using break and continue keywords

Definition of conditional statements and usage of if statements in programming

Write a Python function to convert a given 2D array into a 1D array

How to crawl the top 10 significant events from Wikipedia's Current Events section

How to crawl and display the stars and forks count from a Django repository

Write a function to combine given key lists and value lists into a dictionary

Understanding the concept of linked lists and Python code implementation

Write a Python function to generate a list containing powers of 2 up to a given integer n.

Exploring the concept of Python lambda functions with code examples

How to define and use functions in Python for specific tasks

Three ways to find indices of two numbers that add up to a target value

How to use CSS selectors with BeautifulSoup and techniques for extracting specific data from web pages.

The basic principles of the DFS algorithm and how to implement it using Python

The order of precedence for numeric operators and their effect on calculations

Implement a Python function to traverse a 2D array diagonally and return its elements

Differences between iterable objects and iterators

Two methods of copying objects - Shallow Copy and Deep Copy

How to display integer and floating-point data in various formats using the format() function

Concepts and characteristics of Dynamic Programming and Divide and Conquer

Definition of memoization and a simple code example

Concept and components of objects in Python Object-Oriented Programming

Structure and Usage of elif Statement

Learn how to unpack elements within data types using the spread operator

How to use comments in Python

Develop a Python function to find all combinations of a given number as a sum of 1, 2, and 3

Writing a Python function that recursively calculates the sum of a list by using the first element and the rest of the list

Writing a Python function to calculate the sum of all elements in a given list of integers using the divide and conquer method.

Write a Python function to return an integer list with a sum greater than a given target

Explore the uses and features of Python, along with a simple code example

Write a function to calculate the maximum profit from a single transaction

Two methods for finding prime numbers within a given integer range

Write a Python function to find the positions of rotten apples in a given list

Learn the usage and differences of find() and rfind() functions to locate specific characters or substrings in a string

Write a Python function using recursion and DFS to find a travel itinerary using flight tickets

Write a Python function to find and return words that appear uniquely from a given list of strings

An introduction to key external packages such as requests, numpy, pandas, and more.

Basic concept and mechanism of recursive functions

Learn how to pass functions as parameters using callback functions

How to generate Boolean values using equality, inequality, and relational comparison operators

Learn the concept and usage of the input() function

Fundamental concepts of graphs, their implementation using Python, and practical applications.

Fundamental principles of greedy algorithms and their implementation in Python

Writing a Python function to efficiently distribute gym uniforms among students using a greedy algorithm

Learn about the scenarios where KeyError occurs in a dictionary and how to handle these exceptions.

Learn how to handle exceptions in Python using the try and except statements.

How to display floating-point numbers in various formats in Python

Extracting and utilizing data from various web API response formats including HTML and JSON

Managing nested elements and extracting complex data using BeautifulSoup

Causes of TypeError when using functions and how to handle them

How to handle UnboundLocalError that may occur in recursive functions

Definition of default parameters with code examples

The concept and features of Encapsulation in Object-Oriented Programming

Usage of the exponentiation operator ** in Python

Learn how to use the in / not in operators to check if an element exists in a list.

Usage and examples of the in operator to check for the presence of a substring or character in a string

Usage of the type() function and code examples

Perform list operations with concatenation (+), repetition (*), and len()

Usage of the range() function with code examples

Creating multiline strings using triple quotes

Basic structure and example code for class declaration

Introduction to Python while loops and code examples

How to insert variable and expression values directly into strings using f-strings in Python

Understanding garbage collection and code examples

The difference and usage of Snake Case and Camel Case

Definition and code examples of the for loop

Methods to concatenate, repeat, and find the length of tuples

An overview and examples of Strings, Numbers, and Booleans

How to reverse the order of a list using the reversed() function

How to use the slicing operator '[:]' to select portions of a string with examples

Understanding Python Lists and How to Use Them

Using private variables for encapsulation and information hiding in objects with code examples

Declare a list and access its elements

Advanced HTTP request methods and exception handling techniques for interacting with web APIs

Basic concepts of HTTP requests and responses for web crawling and how to interact with web pages

Error scenarios when trying to modify or delete tuple values

Concept and usage of a tuple, which is ordered but immutable

Understand the basic principles of dynamic programming and how to efficiently solve problems with \(O(n)\) complexity

Python code example for Fibonacci sequence and time complexity analysis

Learn how to implement getter and setter methods using decorators in Python.

How to implement merge sort in code and the time complexity of the sorting algorithm

Basic Principles of Quick Sort and its Time Complexity

Basic syntax for variable assignment, reassignment, and multiple assignment

Principles and time complexity of binary search

ValueError occurs when handling incorrect data type conversions or values.

How to use the NotImplementedError exception with if statements

Concept and Characteristics of Inheritance in Object-Oriented Programming

Using the format() function for string formatting

Usage of the Integer Division Operator '//'

How to perform basic set operations like intersection, union, and difference using the Set data type.

Basic definition and core concepts of Object-Oriented Programming

How to access both the index and element in a loop using the enumerate() function

Using the items function with a loop to access keys and values in a dictionary

Overview of essential built-in modules available

Tips for writing and analyzing algorithms effectively with Python example code

Handling and mitigating the IndexError exception in lists

Examples of Major Literals and Data Types in Python

Implementing getter and setter methods without decorators

Features and code examples of Python Dictionaries

How to use nested lists and nested loops in programming

Python's `requests` library used for web scraping

Understanding the concept of keywords in programming languages and an introduction to major Python keywords

Usage and code examples of the print() function to display data

How to filter and transform sequences in Python

Output the value obtained by adding 5 to a given number.

A coding quiz using Python's integer division operator '//' to return integer results

A coding quiz to return a specific character from a string using Python string indexing

Concept of Queue and Python Code Implementation Example

Discover why Python is widely used in software and what can be created with it

Understanding Class and Instance through Code

How to calculate the remainder of two numbers using the remainder operator '%'

How to remove a specific key-value pair from a dictionary using the del keyword

How to use the remove() function to find and remove a specific value from a list.

How to remove elements from a Set data structure

Methods to remove specific elements from a list by index

How to use the strip() function to remove whitespace from the beginning and end of a string

Implement a function to remove the smallest number from a list of integers

Understanding the concepts of algorithm complexity, including time and space complexity

How to Use and Advantages of the get() Function

How to scrape the Wikipedia homepage using Python

Method for selecting a portion of a tuple using slicing, with code examples

Tutorial on using the indexing operator with strings, along with code examples

How to create a dataset consisting of unique elements using the set data type

How to create lists concisely and efficiently using list comprehensions

Write a function to sort a list of tuples, each containing a name and a score, in descending order by score

How to use the sort() function to sort elements in ascending, descending, and custom order in Python

Understanding the concept and code examples of special methods like `__str__`, `__eq__` in classes

Differences between statements and expressions with usage examples

Concepts and Python Implementation of Hash Table

Write a Python function to convert characters at even indices to lowercase and characters at odd indices to uppercase in a given string

Discover functions like isalnum(), isalpha(), and isidentifier() for verifying string composition.

IndexError that occurs when referencing a non-existent index

Write a Python function to reverse a given string

Key Python Operators with Examples

Situations where the `pass` keyword is used and its usage with if statements

Code examples illustrating named parameters used for executing code within a function and the actual values passed during a function call.

Learn how to define the code to execute when an if condition is false using the else statement

Definition and examples of the not operator

Understanding the relationship between classes and methods in code at a glance

Exploring indexError exceptions that occur due to mismatched curly braces '{}' and parameters when using the format function.

Basic concepts of trees, implementation methods using Python, and their applications.

Handling TypeError exceptions when data types are not compatible

Definition of escape characters and how to use them in Python code

Defining functions that accept a variable number of arguments

Concepts and Time Complexity of Bubble Sort

Comprehending the CSV format, parsing it, and managing CSV data in Python

Principles of insertion sort and its time complexity

Understanding the JSON format, parsing, and how to handle JSON data in Python

The principles and time complexity of selection sort

Types of logical operators used for manipulating Boolean values and code examples

Learn how to iterate through the elements of a list using a `for` loop

How to return results from a function using tuples and the benefits of this approach

Enhancing clarity in function calls with keyword arguments

Learn how to use the '*' operator to repeat strings, with code examples

Return value of the `input()` function and type conversion methods

Learn how to use the clear() function in Python to remove all elements from a list with example code.

How to use the join() function to combine multiple strings into one

How to use the split() method to divide strings based on a specific delimiter

How to process list elements using a while loop

Understanding the concept and usage of methods belonging to the class itself

How to leverage keys and values of a dictionary using a for loop

How to access dictionary elements and handle KeyError exceptions

Methods to access and iterate over elements in a Set data structure

Return methods and code examples available when defining functions in Python

Definition and Principles of Web Crawling

Greedy algorithms are methods for finding an optimal solution by making the best choice at each step.

HTTP Methods and Status Codes for Web API Interaction

The concept of identifiers that denote variables, functions, classes, etc. and the Python rules for identifiers

Understanding and using compound assignment operators

Concept and usage examples of class constructors

Basic concept of modules in programming

Understanding the concept, pros, and cons of recursive functions

Basic concepts and features of the BeautifulSoup library for web scraping

Binary search is an efficient method for finding a specific value in a sorted array by repeatedly dividing the search interval in half.

BFS is an algorithm that explores nodes level by level from a starting node in a graph or tree.

Bubble sort is a simple yet intuitive algorithm for sorting an array by comparing and swapping adjacent elements.

DFS is an algorithm for traversing or searching tree or graph data structures, starting at the root node and exploring as far along each branch as possible.

Methods for HTML parsing and extracting key elements using BeautifulSoup

Insertion sort sorts an array by progressively inserting each element into its appropriate position.

Merge Sort is a method that efficiently sorts an array using the divide and conquer algorithm.

Understanding the definition and components of programming

Quick Sort is a fast sorting algorithm that uses a pivot to partition and sort an array.

Selection Sort is a simple and easy-to-understand sorting method that arranges elements by repeatedly finding the minimum value for each position in the array.

Sequential search is a basic search algorithm that examines each element in an array or list sequentially to find the desired value.

Important points about string data, using double and single quotes

Values automatically converted to False and how to use them in if statements

Using indentation to define code structure clearly

The importance of algorithms with example code using Python

How to crawl the title and the first paragraph of a Wikipedia article

How to use Integer and Float data types