Python 将列表中的头尾两个元素对调
Python 将列表中的头尾两个元素对调的例子
定义一个列表,并将列表中的头尾两个元素对调。
例如:
对调前 : [1, 2, 3]
对调后 : [3, 2, 1]
# Filename : example.py
# DateTime : 2020-07-20
# author by : www.lidihuo.com
def swapList (newList):
size = len (newList)
temp = newList [0]
newList[0] = newList [size - 1]
newList[size - 1] = temp
return newList
newList = [1, 2, 3]
print(swapList (newList))
以上实例输出结果为:
# Filename : example.py
# DateTime : 2020-07-20
# author by : www.lidihuo.com
def swapList (newList):
newList[ 0], newList[- 1] = newList[- 1], newList[0]
return newList
newList = [1, 2, 3]
print(swapList(newList))
以上实例输出结果为:
# Filename : example.py
# DateTime : 2020-07-20
# author by : www.lidihuo.com
def swapList(list):
get = list[- 1], list[0]
list[0], list[-1] = get
return list
newList = [1 , 2 , 3]
print(swapList (newList))
以上实例输出结果为: