Assigning Variable with Value of Existing Variable from String Value [duplicate]

Question

I have a large amount of data in variable form:

abc_123 = 5  
def_456 = 7  
ghi_789 = 9

etc.

I ask the user for various inputs, which builds up a string. For example:

temp = "abc_123"

How do I make it so that temp = abc_123, thus making temp = 5?

Don't use variable variables, use a dictionary.

Barmar
– Barmar

2016-04-04 20:59:29 +00:00
Commented Apr 4, 2016 at 20:59 — Barmar
– Barmar, Commented Apr 4, 2016 at 20:59

alecxe · Accepted Answer · 2016-04-04 21:00:48Z

1

Make a dictionary and then look up the values by key:

>>> d = {"abc_123": 5, "def_456": 7, "ghi_789": 9}
>>> temp = "abc_123"
>>> d[temp]
5
>>> d.get("invalid", "not found")
'not found'

answered Apr 4, 2016 at 21:00

alecxe

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1 Comment

remote_geologist Over a year ago

Thanks! That worked great. It took some time to rearrange all the data in that format, but it wasn't excruciating enough to write code just to do that.

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