![](/img/trans.png)
[英]How do I read specific rows AND columns in CSV file while printing values within a certain range
[英]How do I find specific values inside of a CSV file when the data is always in a certain order but with different values
所以我有一個CSV文件,每行最多10個條目。 (最多10條,因為大多數行不包含條目9和10)而且我需要找到每行的第四,第六和第八條條目。
這是我的代碼:
ll = []
with open ('stats.csv', 'r') as f:
for line in f:
a = line.split(",")
ll.append(a)
for i in ll:
b = line[3]
c = line[5]
d = line[7]
print(b,c,d)
現在,這將在CSV文件的第一行中找到正確的值,但是在此之后會出現錯誤
錯誤信息:
Line 7, in <module> b = line[3]
IndexError: list index out of range
有人會告訴我我要去哪里錯嗎?
[![Here is the first line of my CSV file][1]][1]
[1]: https://i.stack.imgur.com/osbBT.png
這是我的結果
0.010910065844655037 0.004127473570406437 0.9779554605484009
Traceback (most recent call last):
File "/*/*/*/read_xyz_stats.py", line 8, in <module>
b = i[3]
IndexError: list index out of range
編輯:從您提供的csv示例,沒有逗號,所以使用
a = line.split()
而不是a = line.split(",")
嘗試用“ i”替換“ line”:
ll = []
with open ('stats.csv', 'r') as f:
for line in f:
a = line.split()
ll.append(a)
for i in ll:
b = i[3]
c = i[5]
d = i[7]
print(b,c,d)
從您的問題尚不清楚行的格式如何,但我假設每行的外觀如下:
1,2,3,4,5,6,7,8,9,0
在這種情況下,應執行以下代碼:
with open ('stats.csv', 'r') as f:
for line in f:
a = line.strip().split(",")
print(a[3], a[5], a[7])
聲明:本站的技術帖子網頁,遵循CC BY-SA 4.0協議,如果您需要轉載,請注明本站網址或者原文地址。任何問題請咨詢:yoyou2525@163.com.