Python：如何操作列表中的csv数据？

Question

I have created a list which has the totality of all the data in the csv file.
How do I seperately call upon data in rows and columns?

For instance:

   **a,  b  ,c** 
**1**  a1  b1  c1
**2**  a2  b2  c2

How can I identify a single cell within the list?

Answer 1

try below code:

l = ['a', 'b', 'c','1','a1', 'b1', 'c1', '2', 'a2', 'b2','c2']
columns = 3
result = list(zip(*[iter(l[columns:])]*(columns+1)))
result2 = {i[0]:i[1:] for i in result}
item_id = '2'
result2[item_id]

output:

 ('a2', 'b2', 'c2')

or you could try below code:

l = ['a', 'b', 'c','1','a1', 'b1', 'c1', '2', 'a2', 'b2','c2']
columns = 3
item_id = '2'
index = l.index(item_id)
l[index:index+columns]

output:

['a2', 'b2', 'c2']