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1. New Array of Squares2. New Array with Only Even Elements3. Replace Negatives with 04. Replace Evens with 1, Odds with 05. Swap First & Last Elements6. Reverse Array7. Rotate Left by 18. Rotate Right by 19. Swap Alternate Elements10. Copy Array Manually

New Array with Only Even Elements

Create new array containing only even elements.

IntermediatePhase 4 - Level 3: TransformationExample 2 of 10
new-array-with-only-even-elements.py
1# Take array
2n = int(input("Enter array size: "))
3arr = []
4for i in range(n):
5    arr.append(int(input(f"Element {i+1}: ")))
6

7# Filter even elements
8even_arr = []
9for element in arr:
10    if element % 2 == 0:
11        even_arr.append(element)
12

13print(f"Original: {arr}")
14print(f"Even elements: {even_arr}")

Output

Enter array size: 5
Element 1: 2
Element 2: 3
Element 3: 4
Element 4: 5
Element 5: 6
Original: [2, 3, 4, 5, 6]
Even elements: [2, 4, 6]

What's going on

Filter elements based on condition.

Key Concepts:

Check if element is even
Append to new array if condition met
Filter operation

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