[英]How to fix 'list index out of range' error in python
I'm using excel to store a username and score. 我正在使用excel存储用户名和分数。 For example:
例如:
Ben,1
Kim,9
Jeff,3
Bob,5
I would like to sort them using the score highest to lowest but I keep getting this error: 我想使用从高到低的分数对它们进行排序,但我不断遇到此错误:
list index out of range
列表索引超出范围
My code: 我的代码:
import csv
import operator
sample = open("data.csv","r")
reader = csv.reader(sample,delimiter=',')
sort = sorted(reader,key=operator.itemgetter(1))
You are getting the error because of the empty line 您因为空行而收到错误
import csv
import operator
result = []
with open(filename) as infile:
reader = csv.reader(infile,delimiter=',')
for line in reader:
if line: #Check if line is empty
result.append(line)
print(sorted(result,key=operator.itemgetter(1)))
or use filter
或使用
filter
with open(filename) as infile:
reader = csv.reader(infile,delimiter=',')
print( sorted(filter(None, reader),key=operator.itemgetter(1)) )
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