EASY LEVEL (1–10)

1. Sum of List

   Problem: Given a list of integers, return the sum of all elements.

Input:
nums= [1,2,3,4]

Output:
10

1. Find Maximum Element

   Problem: Return the largest element in the list.

Input:
nums= [3,7,2,9,5]

Output:
9

1. Find Minimum Element

   Problem: Return the smallest element in the list.

Input:
nums= [3,7,2,9,5]

Output:
2

1. Count Even Numbers

   Problem: Count how many even numbers are present in the list.

Input:
nums= [1,2,4,7,8]

Output:
3

1. Reverse a List

   Problem: Return the reversed list.

Input:
nums= [1,2,3]

Output:
[3,2,1]

1. Check Element Exists

   Problem: Return true if target exists in list.

Input:
nums= [10,20,30]
target=20

Output:
true

1. Remove Duplicates

   Problem: Return list with duplicates removed.