Help me in solving DSAAGP09 problem

My issue

why i got this type of error Wrong Answer: Failed on a hidden test case

My code

import sys

# Use sys.stdin for reading input from files or provided input
arr1 = [int(x) for x in sys.stdin.readline().split()]
arr2 = [int(x) for x in sys.stdin.readline().split()]

# Merging the two arrays
merged_array = arr1 + arr2

# Output the merged array
print("Merged Array:", merged_array)










Learning course: Data structures & Algorithms lab
Problem Link: Merging 2 arrays in Data structures & Algorithms lab