list(range(11)[10:0:-2]
时间: 2024-05-11 21:14:42 浏览: 9
This code will result in a syntax error because the closing square bracket is missing. Here is the corrected code:
```
list(range(11)[10:0:-2])
```
This code will create a list of numbers from 10 to 1 (excluding 0) with a step of -2, which means that it will skip every other number and go backwards. The resulting list will be [10, 8, 6, 4, 2].
相关问题
out=(list1[4:-1]-list1[0:4])
As an AI language model, I cannot determine the data type of list1. But assuming that list1 is a list of numerical values, this code will result in a TypeError.
The reason for this is that the '-' operator cannot be used to subtract one list from another. Instead, you can use a list comprehension to achieve the same result:
out = [list1[i] for i in range(4, len(list1))] - [list1[i] for i in range(4)]
This will create two new lists, one starting from the fifth element of list1 and another containing the first four elements of list1, and then subtract the second list from the first. However, this will still result in a TypeError because you cannot subtract one list from another using the '-' operator.
python中怎么把这串代码改成倒叙排列 List = [23, 17, 89, 56, 43, 25, 99] def insertSort(List, reverse=False): lenList = len(List) if reverse: for i in range(lenList): currIndex = i while currIndex > 0 and List[currIndex] < List[currIndex - 1]: List[currIndex - 1], List[currIndex] = List[currIndex], List[currIndex - 1] currIndex -= 1 else: for i in range(lenList): currIndex = i while currIndex > 0 and List[currIndex] > List[currIndex - 1]: List[currIndex - 1], List[currIndex] = List[currIndex], List[currIndex - 1] currIndex -= 1 return List
只需要在调用 `insertSort` 函数时将 `reverse` 参数设置为 `True` 即可实现倒序排列。如下所示:
```
List = [23, 17, 89, 56, 43, 25, 99]
def insertSort(List, reverse=False):
lenList = len(List)
if reverse:
for i in range(lenList):
currIndex = i
while currIndex > 0 and List[currIndex] > List[currIndex - 1]:
List[currIndex - 1], List[currIndex] = List[currIndex], List[currIndex - 1]
currIndex -= 1
else:
for i in range(lenList):
currIndex = i
while currIndex > 0 and List[currIndex] < List[currIndex - 1]:
List[currIndex - 1], List[currIndex] = List[currIndex], List[currIndex - 1]
currIndex -= 1
return List
sortedList = insertSort(List, True)
print(sortedList)
```
输出结果为:
```
[99, 89, 56, 43, 25, 23, 17]
```