How to get the value of a variable through a string?

Question

Example:

dog = 1
cat = 2
animal = 'dog'

What to do to transform the animal variable into 1?

Does this answer your question? [How to get the value of a variable given its name in a string?](https://stackoverflow.com/questions/9437726/how-to-get-the-value-of-a-variable-given-its-name-in-a-string) — Madhawa Priyashantha, Jun 12 '20 at 19:11

score 1 · Answer 1 · answered Jun 12 '20 at 19:11

1

Use eval function:

eval(animal) # =1

answered Jun 12 '20 at 19:11

Omri Levi

129
5

score 0 · Answer 2 · answered Jun 12 '20 at 19:11

0

One option is eval, which comes with the caveat that you should never use it with user-supplied input because they could execute arbitrary commands.

answered Jun 12 '20 at 19:11

Simon Crane

2,087
2
9
20

score 0 · Answer 3 · answered Jun 12 '20 at 19:20

0

You can use the eval function like this

>>> eval(animal)
... # returns 1

answered Jun 12 '20 at 19:20

Thomas B

1

How to get the value of a variable through a string?

3 Answers3