🐍2.6Basic Python Coding Questions on Lists for Interviews

Basic Python Coding Questions on Lists for Interviews

When preparing for Python coding interviews, lists are one of the fundamental topics you need to master. Here are some commonly asked questions categorized by difficulty level.

Basic Level (Easy)

  1. Reverse a List
    Write a Python program to reverse a list without using the reverse() method.

  2. Find the Maximum and Minimum in a List
    Write a program to find the maximum and minimum elements in a list.

  3. Sum of List Elements
    Write a Python program to calculate the sum of all elements in a list.

  4. Count Occurrences of an Element in a List
    Write a Python program to count how many times a given element appears in a list.

  5. Remove Duplicates from a List
    Write a program to remove duplicate elements from a list.

  6. Find the Second Largest Element in a List
    Write a Python program to find the second largest number in a given list.

Intermediate Level (Moderate)

  1. Check if a List is Sorted
    Write a Python program to check if a list is sorted in ascending order.

  2. Merge Two Sorted Lists into a Single Sorted List
    Write a Python program to merge two sorted lists into a single sorted list.

  3. Find Common Elements Between Two Lists
    Write a program to find common elements between two lists.

  4. Rotate a List by K Positions
    Write a program to rotate a list by K positions to the right.

  5. Find Pairs with a Given Sum
    Write a Python program to find all pairs in a list whose sum is equal to a given number.

Advanced Level (Challenging)

  1. Find All Subsets of a List
    Write a Python program to generate all possible subsets of a given list.

  2. Find the Missing Number in a List of Consecutive Numbers
    Given a list of n-1 integers from 1 to n, write a Python program to find the missing number.

  3. Find the Majority Element in a List
    A majority element appears more than n/2 times in a list. Write a Python program to find this element.

  4. Find the First Non-Repeating Element in a List
    Write a Python program to find the first non-repeating element in a list.

Mastering these questions will help you improve your problem-solving skills and increase your confidence in Python coding interviews. Happy coding!

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