如何在打印前将"-花“和"-灌木”从列表中删除？

Question

data = [
    "Andromeda - Shrub",
    "Bellflower - Flower",
    "China Pink - Flower",
    "Daffodil - Flower",
    "Evening Primrose - Flower",
    "French Marigold - Flower",
    "Hydrangea - Shrub",
    "Iris - Flower",
    "Japanese Camellia - Shrub",
    "Lavender - Shrub",
    "Lilac - Shrub",
    "Magnolia - Shrub",
    "Peony - Shrub",
    "Queen Anne's Lace - Flower",
    "Red Hot Poker - Flower",
    "Snapdragon - Flower",
    "Sunflower - Flower",
    "Tiger Lily - Flower",
    "Witch Hazel - Shrub",
]

flowers = []
shrubs = []

for plant in data:
    if "- Flower" in plant:
        flowers.append(plant)
    else:
        shrubs.append(plant)
print(flowers)
print(shrubs)

Answer 1

你可以用：

for plant in data:
  to_append = plant.split(" - ")[0]
  if "- Flower" in plant:
    flowers.append(to_append)
  else:
    shrubs.append(to_append)

这将使用“-”拆分plant并创建一个数组，然后将该数组的第一个索引保存到to_append变量中。例如，如果采用"Andromeda - Shrub"，这将创建一个数组{"Andromeda", "Shrub"}，其0索引将是"Andromeda"，然后将其添加到新的数组中。

Answer 2

在-上拆分它，然后接受第一个拆分

for plant in data:
    plant_name, category = plant.split(' -', 1)
    if "Flower" in category:
        flowers.append(plant_name)
    else:
        shrubs.append(plant_name)

Answer 3

如何做到这一点有多种方法，其中之一是使用替换()函数，如下所示：

    if "- Flower" in plant:
        name = plant.replace("- Flower", "")
        flowers.append(name)