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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 copy_config(config, mutable_config_keys=MUTABLE_CONFIG_KEYS):
 """ Copy grab config with correct handling of mutable config values. """


    cloned_config = copy(config)
    # Apply ``copy`` function to mutable config values
    for key in mutable_config_keys:
        cloned_config[key] = copy(config[key])
    return cloned_config