How Can I Get a Variable's Value from Its String Name in Python?

Determining Variable Value from Its String Representation

The task at hand is to obtain the value of a variable by providing its name as a string. While the provided code demonstrates how to achieve this in PHP using the $$a syntax, achieving this functionality in Python requires a slightly different approach.

Solution for Global Variables:

For global variables, you can utilize the globals() function to retrieve the variable value. For instance:

a = 5
globals()['a']  # Returns 5

Caution Regarding eval:

Be wary of using the eval function for this purpose, as it involves executing the provided string as code. This can pose a security risk if the string originates from an untrusted source.

Limitations:

This approach is limited to accessing global variables. If the variable is defined within a specific namespace you don't have access to, you won't be able to retrieve its value using this technique.

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