test if variable is Numeric?

[volcano63]

This is my take - form a production code (I use it to load ini files - thus the name)

def convert_config_value(value):
    for numeric_type in (int, float):
        try:
            converted_value = numeric_type(value)
            return converted_value
        except ValueError:
            pass
    return value

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Ooops, seems like I misread the question (I saw the post by @ljmetzger - and misinterpreted the OP). Of course, this a method for string conversion.