Shakaloid

def split_arrays(arr):
    if not arr:
        return [], []
    mid = len(arr) // 2
    return arr[:mid], arr[mid:]

print(split_arrays([1, 2, 3, 4, 5, 6]))
print(split_arrays([1, 2, 3, 4, 5]))

Shakaloid

def is_sorted(arr):
    for i in range(len(arr) - 1):
        if arr[i] > arr[i + 1]:
            return False
    return True

print(is_sorted([1, 2, 3, 4, 5]))
print(is_sorted([1, 3, 2, 4, 5]))