在 Python 3 的 while 循环中分配给列表

Question

我有以下一些 python 代码：

# we are going to define a list:

charList = []

#which we can use to add character's data to

i = 0

print("Please input data for your first character below: ")

while i <= 5:
    charList[i] = input("What is their name? ")
    i += 1 # increments i by 1
    charList[i] = input("\nAnd what is their strength value? ")
    i += 1
    charList[i] = input("\nAnd what is their skill value? ")
    i += 1
    print("\nThank You :)\n")
    print("Now for your second character:")

print(charList[0],charList[3])

这是针对 3.4.0 版的。

出现以下错误：

>>> 
Please input data for your first character below: 
What is their name? Chewbacca
Traceback (most recent call last):
  File "C:/Users/Peter/Documents/ARCHIVES/NEW!/Computing/task3version1.0.py", line 20, in <module>
    charList[i] = input("What is their name? ")
IndexError: list assignment index out of range
>>> 

我猜这与在 while 循环中更改 i 的值有关。关于什么是错的任何想法？谢谢你:)

Answer 1

你为什么要在一个循环中这样做？您正在尝试重写同一个列表 5 次。

questions = ("What is their name? ", "\nAnd what is their strength value? ", "\nAnd what is their skill value? ")
print("Please input data for your first character below: ")
charlist = [input(i) for i in questions]
print("\nThank You :)\n")
print(charList[0],charList[3])

如果你想要几个字符：

charlist = []
questions = ("What is their name? ", "\nAnd what is their strength value? ", "\nAnd what is their skill value? ")
print("Please input data for your first character below: ")
for i in range(5):
    character = [input(i) for i in questions]
    charlist.append(character)
    print("\nThank You :)\n")
print(charList[0][0],charList[3][0])

Answer 2

访问列表的索引，如charList[i]，用于访问/操作列表的现有元素。由于charList 开始为空，因此没有可以访问的元素。如您所见，尝试这样做会导致超出范围错误。

相反，您似乎想追加到列表中，如下所示：

charList.append(input("What is their name? "))