def merge_arrays(arr1, arr2):
    # 1. Merge the two arrays
    # 2. Remove duplicates
    # 3. Sort the list in ascending order
    return sorted(set(arr1 + arr2))


a = list(range(0, 10, 2))
b = list(range(2, 21, 3))
print(a)
print(b)    
print(merge_arrays(a, b))