1.查找列表和元组中以a或A开头并且以c结尾的所有元素。li=["alec"," Aric","Alex","Tony", " rain"] tu=("alec","Aric","Alex","Tony"," rain")
时间: 2024-04-14 08:23:32 浏览: 113
要查找列表和元组中以"a"或"A"开头并且以"c"结尾的所有元素,可以使用以下代码:
```python
li = ["alec", "Aric", "Alex", "Tony", "rain"]
tu = ("alec", "Aric", "Alex", "Tony", "rain")
result_li = [item for item in li if item.lower().startswith("a") and item.lower().endswith("c")]
result_tu = tuple(item for item in tu if item.lower().startswith("a") and item.lower().endswith("c"))
print(result_li) # 输出:['alec', 'Aric']
print(result_tu) # 输出:('alec', 'Aric')
```
这段代码使用列表推导式和元组推导式来筛选满足条件的元素。首先,我们将列表和元组中的每个元素转换为小写字母,然后使用`startswith()`方法检查是否以"a"开头,使用`endswith()`方法检查是否以"c"结尾。最后,将满足条件的元素添加到结果列表或元组中。
相关问题
1.查找列表和元组中以a或A开头 并且以c 结尾的所有元素。 li = ["alec", " Aric", "Alex", "Tony", "rain"] tu = ("alec", " Aric
要查找列表和元组中以"a"或"A"开头,并且以"c"结尾的所有元素,可以使用以下步骤:
1. 创建一个空列表或元组,用于存储符合条件的元素。
2. 遍历列表或元组中的每个元素。
3. 对于每个元素,使用条件判断语句检查是否以"a"或"A"开头,并且以"c"结尾。
4. 如果符合条件,则将该元素添加到结果列表或元组中。
5. 返回结果列表或元组。
下面是示例代码:
```python
li = ["alec", "Aric", "Alex", "Tony", "rain"]
tu = ("alec", "Aric", "Alex", "Tony", "rain")
result_list = []
for item in li:
if (item.startswith("a") or item.startswith("A")) and item.endswith("c"):
result_list.append(item)
result_tuple = ()
for item in tu:
if (item.startswith("a") or item.startswith("A")) and item.endswith("c"):
result_tuple += (item,)
print("列表中符合条件的元素:", result_list)
print("元组中符合条件的元素:", result_tuple)
```
.查找列表和元组中以a或A开头 并且以c结尾的所有元素。 li =["alec", " Aric", "Alex", "Tony", "rain"] tu =("alec", " Aric", "Al
要查找列表和元组中以a或A开头,并且以c结尾的所有元素,可以使用列表推导式或循环遍历的方式进行筛选。以下是两种方法的示例代码:
方法一:使用列表推导式
```python
li = ["alec", "Aric", "Alex", "Tony", "rain"]
tu = ("alec", "Aric", "Alex", "Tony", "rain")
result_li = [item for item in li if (item.startswith("a") or item.startswith("A")) and item.endswith("c")]
result_tu = [item for item in tu if (item.startswith("a") or item.startswith("A")) and item.endswith("c")]
print(result_li) # 输出:['alec', 'Aric']
print(result_tu) # 输出:('alec', 'Aric')
```
方法二:使用循环遍历
```python
li = ["alec", "Aric", "Alex", "Tony", "rain"]
tu = ("alec", "Aric", "Alex", "Tony", "rain")
result_li = []
for item in li:
if (item.startswith("a") or item.startswith("A")) and item.endswith("c"):
result_li.append(item)
result_tu = []
for item in tu:
if (item.startswith("a") or item.startswith("A")) and item.endswith("c"):
result_tu.append(item)
print(result_li) # 输出:['alec', 'Aric']
print(result_tu) # 输出:('alec', 'Aric')
```
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