需要将0添加到所有具有特定字符长度的元素的特定位置

def add_zero_to_specific_position(elements, target_length, target_position):
    for i in range(len(elements)):
        element = str(elements[i])
        if len(element) < target_length:
            zeros_to_add = target_length - len(element)
            if target_position == "before":
                element = "0" * zeros_to_add + element
            elif target_position == "after":
                element = element + "0" * zeros_to_add
            else:
                # Handle invalid target_position value
                continue
        elements[i] = element

# 示例用法
elements = [10, 200, 3000, 40000]
target_length = 6
target_position = "before"
add_zero_to_specific_position(elements, target_length, target_position)
print(elements)