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Python List Exercise with Solution [10 Exercise Questions] - PYnative

Exercise 19: Iterate both lists simultaneously. Given a two Python list. Write a program to iterate both lists simultaneously and display items from list1 in original order and items from list2 in reverse order. Given. list1 = [10, 20, 30, 40] list2 = [100, 200, 300, 400] Code language: Python (python) Expected output: 10 400 20 300 30 200 40 100

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Sort a list according to the second element of sublist - Python

Explanation: sorted(a, key=lambda x: x[1]) sorts the list a by the second element of each sublist, using a lambda function to specify that the sorting should be done based on the value at index 1 of each sublist. Using sort() Method. If we don’t need a new list and prefer to sort the list in place, we can use the sort() method. It directly modifies the list we’re working with instead of ...

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python - How to make a new list of first elements from existing list of ...

If you can find yourself assuming the data x always contains the list in form of [COUNTRY, CITYNAME, CONTINENT], you can retrieve every first items from each list in x like below: countries = [] for country, cityname, continent in x: countries.append(country) You can shorten above using list comprehension.

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How to Remove Items from a List in Python [+Examples]

Conclusion. Removing items from Python lists is a fundamental skill, whether using basic methods like remove(), pop(), and del or advanced techniques such as list comprehensions, reverse iteration, and in-place slice assignment. Understanding the underlying logic and performance implications helps in selecting the optimal method for any scenario.

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Python Basic: Exercises, Practice, Solution - w3resource

Write a Python program that calculates the area of a circle based on the radius entered by the user. Sample Output : r = 1.1 Area = 3.8013271108436504 Click me to see the sample solution . 5. Reverse Full Name. Write a Python program that accepts the user's first and last name and prints them in reverse order with a space between them. Click me to see the sample solution. 6. List and Tuple ...

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List Manipulation in Python Class 11 Questions and Answers

2. Write a program to read a list of n integers (positive as well as negative). Create two new lists, one having all positive numbers and the other having all negative numbers from the given list. Print all three lists. Answer –

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Python List Slicing : A Complete Guide - Analytics Vidhya

Hope you like this article, and get a full understanding of these topics i.e. List Slicing in Python, Slicing of lists in Python, and Python Slice list in this article with this we have covered all the topics and made a proper guide on Python slice list. Dive into coding versatility with our ‘Introduction to Python‘ guide. Start your ...

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20 List Comprehension Interview Questions and Answers - CLIMB

List comprehensions are a way to create lists in Python using a concise syntax. They are often used to create lists from other lists, or to create lists based on some condition. For example, you could use a list comprehension to create a list of all the numbers divisible by 3 from a list of all the numbers from 1 to 10. 2. Can you explain what ...

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Python Comprehensions Quiz for Coding Practice - Scientech Easy

Welcome to this ultimate Python comprehensions quiz! Here, we have compiled 30 multiple-choice questions based on list, set, and dictionary comprehensions in Python, which will cover basic to advanced concepts. This MCQs quiz will test your knowledge in comprehensions as well as level up your understanding level.

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How to Implement Linked Lists in Python: With Code Examples

The first time I heard about linked lists, I didn’t really understand why anyone would use them instead of Python’s built-in lists but I got to understand the true value of this data structure when I worked on an application that required to frequently add and remove elements from a collection that constantly changed in size.. In this article, I’ll guide you through implementing linked ...

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