分配是编写返回字符串后半部分的代码。出现这样的错误,说索引必须是整数,但是我似乎无法弄清楚问题出在哪里。感谢帮助
def last_half(sent):
string_length = len(sent)
if string_length / 2 == 0:
s_half = int(string_length/2)
print(sent[s_half,-1])
elif string_length / 2 != 0:
s_half = int(round(string_length/2))
print(sent[s_half,-1])
您使用的切片错误。看看https://www.pythoncentral.io/how-to-slice-listsarrays-and-tuples-in-python/
def last_half(sent):
string_length = len(sent)
if string_length / 2 == 0:
s_half = int(string_length/2)
print(sent[s_half:])
elif string_length / 2 != 0:
s_half = int(round(string_length/2))
print(sent[s_half:])