判断列表ls1=["pythonn","pythhon","ppython","pytthon","pythoon"]中哪个元素含有两个字母“t”,输出该元素,用python输出
时间: 2023-09-30 16:11:02 浏览: 82
可以使用列表推导式和字符串方法 count() 来实现:
```python
ls1 = ["pythonn","pythhon","ppython","pytthon","pythoon"]
result = [s for s in ls1 if s.count('t') == 2]
print(result)
```
输出结果为:
```
['pytthon']
```
其中,`s.count('t')` 统计字符串 s 中字母 't' 出现的次数,判断是否为 2 次即可。列表推导式的语法是在一个列表中使用 for 循环和条件判断来生成一个新的列表。
相关问题
用python判断列表ls1=["pythonn","pythhon","ppython","pytthon","pythoon"]中哪个元素含有两个字母“t”,输出该元素
你可以使用一个循环遍历列表ls1中的每个元素,然后使用count()函数计算"t"出现的次数。如果出现次数为2,则打印该元素。
以下是示例代码:
```python
ls1 = ["pythonn","pythhon","ppython","pytthon","pythoon"]
for element in ls1:
if element.count("t") == 2:
print(element)
```
这将输出:
```
pytthon
```
用Python写判断列表ls1=["pythonn","pythhon","ppython","pytthon","pythoon"]中哪个元素含有两个字母“t”,输出该元素
可以使用循环遍历列表中的每个元素,然后计算该元素中字母“t”的数量,如果数量为2,则输出该元素。代码如下:
```python
ls1 = ["pythonn","pythhon","ppython","pytthon","pythoon"]
for s in ls1:
if s.count('t') == 2:
print(s)
```
输出结果为:
```
pytthon
```
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