Function merge

coding/python/merge_sort.py:16–28

(left: List[int], right: List[int])

def merge(left: List[int], right: List[int]) -> List[int]:
    merged = []
    i = j = 0
    while i < len(left) and j < len(right):
        if left[i] <= right[j]:
            merged.append(left[i])
            i += 1
        else:
            merged.append(right[j])
            j += 1
    merged.extend(left[i:])
    merged.extend(right[j:])
    return merged


def generate_random_list(size: int = 10, lower: int = 1, upper: int = 100) -> List[int]: