写一个 Python 程序，用一个实际的例子来反转列表项或列表元素。
反转列表项目的 Python 程序
它允许用户输入列表的长度。接下来，我们使用 Python For Loop 向列表中添加数字。
NumList = []
Number = int(input("Please enter the Total Number of List Elements: "))
for i in range(1, Number + 1):
value = int(input("Please enter the Value of %d Element : " %i))
NumList.append(value)
NumList.reverse()
print("\nThe Result of a Reverse List = ", NumList)提示: Python 函数用于反转列表中的元素。
在这个 python 程序中，我们使用了一个 While 循环。在 while 循环中，我们在第三个变量的帮助下执行了交换。我建议你参考互换两个数字的文章来理解 Python 的逻辑。
NumList = []
Number = int(input("Please enter the Total Numbers : "))
for i in range(1, Number + 1):
value = int(input("%d Element : " %i))
NumList.append(value)
j = Number - 1
i = 0
while(i < j):
temp = NumList[i]
NumList[i] = NumList[j]
NumList[j] = temp
i = i + 1
j = j - 1
print("\nThe Result = ", NumList)Please enter the Total Numbers : 3
1 Element : 1
2 Element : 2
3 Element : 3
The Result = [3, 2, 1]使用函数在 Python 中反转列表的程序
本列表项目程序同上。然而，我们使用函数 来分离逻辑
def reverseList(NumList, num):
j = Number - 1
i = 0
while(i < j):
temp = NumList[i]
NumList[i] = NumList[j]
NumList[j] = temp
i = i + 1
j = j - 1
NumList = []
Number = int(input("Please enter the Total Number of Elements: "))
for i in range(1, Number + 1):
value = int(input("%d Element : " %i))
NumList.append(value)
reverseList(NumList, Number)
print("\nThe Result = ", NumList)Please enter the Total Number of Elements: 5
1 Element : 10
2 Element : 20
3 Element : 30
4 Element : 40
5 Element : 50
The Result = [50, 40, 30, 20, 10]这个程序通过递归调用函数来反转列表项
def reverseList(NumList, i, j):
if(i < j):
temp = NumList[i]
NumList[i] = NumList[j]
NumList[j] = temp
reverse_list(NumList, i + 1, j-1)
NumList = []
Number = int(input("Please enter the Total Number of Elements: "))
for i in range(1, Number + 1):
value = int(input("%d Element : " %i))
NumList.append(value)
reverseList(NumList, 0, Number - 1)
print("\nThe Result = ", NumList)Please enter the Total Number of Elements: 6
1 Element : 12
2 Element : 13
3 Element : 14
4 Element : 15
5 Element : 16
6 Element : 27
The Result = [27, 16, 15, 14, 13, 12]原创文章，作者：小蓝，如若转载，请注明出处：https://www.506064.com/n/256725.html
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