How do I map characters in array in python?

Question

I have array

a = ['A','A','B']

I want to map 'A' to 1 and 'B' to zero. How can I do that?

Does this answer your question? [Python: Convert list to dictionary with indexes](https://stackoverflow.com/questions/36459969/python-convert-list-to-dictionary-with-indexes) — Stevy, Jun 06 '20 at 16:02

score 1 · Answer 1 · answered Jun 06 '20 at 15:23

1

[1 if c == 'A' else 0 for c in a]

?

answered Jun 06 '20 at 15:23

bipll

score 0 · Answer 2 · answered Jun 06 '20 at 15:23

0

If you want to do data mapping:

data = {'A':1, 'B': 0}
print(data['A'])
Out:
1

answered Jun 06 '20 at 15:23

2 Answers2