IndexError：尝试读取文本文件时列表索引超出范围

Question

Im trying to make a word saver and reader from input (something like a dictionary) My code:

if path.exists("data/inputs/" + word2 + ".txt"):
    file = open("data/inputs/" + word2 + ".txt", "r")

    for line in file:
        fields = line.split("; ")
        field1 = fields[0]
        answer=[field1]
        if fields[1]!="":
            field1 = fields[1]
            answer = [field1, field2]

Error:

    if fields[1]!="":
IndexError: list index out of range

I tried doing this with range, got error "must be an int or index", Can you tell me how to work with these indexes and make it work please?

Answer 1

It means that at least one line of your file does not contain any "; ", so the result of split('; ') contains only one element... so calling fields[1] is an error!

If you want to test whether you have a second field in the line, you should replace if fields[1] != "" by if len(fields) > 1