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name: get_variable
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returns: any
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description: |
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This function can be used to dynamically obtain a variable. `res =
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get_variable(varname, fallback)` takes the value of `varname` (which
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must be a string) and stores the variable of that name into `res`. If
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the variable does not exist, the variable `fallback` is stored to
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`res`instead. If a fallback is not specified, then attempting to read
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a non-existing variable will cause a fatal error.
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arg_flattening: false
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posargs:
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variable_name:
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type: str
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description: Name of the variable to get
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optargs:
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default:
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type: any
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description: Fallback value to return when the variable does not exist
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