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Articles on Trending Technologies
Technical articles with clear explanations and examples
Python program to find score and name of winner of minion game
The Minion Game is a string-based competition between two players where they create substrings based on whether they start with vowels or consonants. Let's explore how to determine the winner and their score. Game Rules The game follows these rules ? Both players have the same string s Amal creates substrings starting with vowels (A, E, I, O, U) Bimal creates substrings starting with consonants Each player scores 1 point for every occurrence of their substring in the original string The player with the highest total score wins Example Breakdown For the string ...
Read MoreProgram to update list items by their absolute values in Python
Sometimes we need to convert negative numbers in a list to their absolute values while keeping positive numbers unchanged. Python provides several approaches to update list items with their absolute values. Using map() with Lambda Function The map() function applies a lambda function to each element in the list ? def solve(nums): return list(map(lambda x: abs(x), nums)) nums = [5, -7, -6, 4, 6, -9, 3, -6, -2] result = solve(nums) print("Original list:", nums) print("Absolute values:", result) Original list: [5, -7, -6, 4, 6, -9, 3, -6, -2] ...
Read MoreProgram to find length of a list without using built-in length() function in Python
Finding the length of a list without using built-in functions like len() is a common programming exercise. We can achieve this using several creative approaches including loops, mapping, and recursive methods. So, if the input is like nums = [5, 7, 6, 4, 6, 9, 3, 6, 2], then the output will be 9. Method 1: Using map() and sum() We can map each element to 1 and then sum the results ? def find_length_map(nums): return sum(map(lambda x: 1, nums)) nums = [5, 7, 6, 4, 6, 9, 3, 6, ...
Read MoreProgram to find sum of odd elements from list in Python
In Python, you can find the sum of all odd elements in an existing List using one of the following ways: Using List Comprehension Using a Loop Using filter() Function Using List Comprehension The List Comprehension method allows us to create ...
Read MoreProgram to reverse a list by list slicing in Python
List slicing in Python provides a simple and efficient way to reverse a list using the slice notation [::-1]. This approach creates a new list with elements in reverse order without modifying the original list. Understanding List Slicing Syntax List slicing takes three parameters separated by colons: [start:end:step] start − Starting index (default: 0) end − Ending index (default: length of list) step − Step size (default: 1) For reversing, we use [::-1] where: Empty start and end means include entire list -1 step means move backwards through the list ...
Read MoreProgram to create a list with n elements from 1 to n in Python
Creating a list with n elements from 1 to n is a common task in Python. There are several efficient approaches using list comprehension, range() with list(), and other methods. So, if the input is like n = 5, then the output will be [1, 2, 3, 4, 5] Using List Comprehension List comprehension provides a concise way to create lists by iterating over a range ? def solve(n): return [i for i in range(1, n+1)] n = 5 result = solve(n) print(result) [1, 2, 3, 4, ...
Read MorePython program to find better divisor of a number
Finding the "better divisor" of a number involves comparing divisors based on their digit sum. A divisor with a higher digit sum is considered better, and if digit sums are equal, the smaller number wins. Problem Definition Given a number n, we need to find the best divisor based on these criteria ? The divisor with the highest sum of digits is better If digit sums are equal, the smaller divisor is better Example For n = 180, the divisors are [1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, ...
Read MorePython program to get average heights of distinct entries
Suppose we have a set of heights where there may be some duplicate entries. We need to find the average of distinct entries from these heights. So, if the input is like heights = [96, 25, 83, 96, 33, 83, 24, 25], then the output will be 52.2 because the unique elements are [96, 25, 83, 33, 24], so sum is 96 + 25 + 83 + 33 + 24 = 261, average is 261/5 = 52.2. Algorithm To solve this problem, we will follow these steps ? h_set := a set from heights to ...
Read MoreProgram to find only even indexed elements from list in Python
In Python, we can extract elements at specific positions from a list. To find only even indexed elements (elements at positions 0, 2, 4, etc.), we can use list slicing techniques. So, if the input is like nums = [5, 7, 6, 4, 6, 9, 3, 6, 2], then the output will be [5, 6, 6, 3, 2] (elements at indices 0, 2, 4, 6, 8). Understanding Even vs Odd Indices Let's first clarify the index positions in our example list ? nums = [5, 7, 6, 4, 6, 9, 3, 6, 2] # ...
Read MorePython program to convert complex number to polar coordinate values
Converting a complex number to polar coordinates involves finding the magnitude (radius) and phase angle. For a complex number x + yj, the radius is sqrt(x² + y²) and the angle is measured counter-clockwise from the positive x-axis. Python's cmath module provides built-in functions: abs() for magnitude and phase() for the angle in radians. Syntax import cmath magnitude = abs(complex_number) angle = cmath.phase(complex_number) Example Let's convert the complex number 2+5j to polar coordinates ? import cmath def convert_to_polar(c): return (abs(c), cmath.phase(c)) c = 2+5j ...
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