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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def __fix_context(context):
 """Return a new context dict based on original context. The new context will be a copy of the original, and some mutable members (such as script and css files) will also be copied to prevent polluting shared context. """


    COPY_LISTS = ('script_files', 'css_files',)

    for attr in COPY_LISTS:
        if attr in context:
            context[attr] = context[attr][:]

    return context