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I want to automatically define variables using a dynamic string, similar to ${$a} in PHP.

As I do this in a plain script I do not have objects and therefore can not apply setattr or am I wrong?

How do I dynamically define variables?

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  • use a dictionary Commented Oct 17, 2018 at 10:38

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You can store the variables you want in a dictionary. That's basically what php does, only in Python you can specify which dictionary to use and how to handle it.

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You can modify local or global dictionary:

>>> locals()['xxx'] = 'Hi'
>>> xxx
'Hi'
>>> globals()['yyy'] = 'Hello'
>>> yyy
'Hello'
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Don't. Use a dedicated dict instead.

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