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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 cmd_wrapper(cmd_name, **kwds):
 """Wrap and execute a softimage command accepting named arguments"""

    cmd = si.Commands(cmd_name)
    if not cmd:
        raise Exception(cmd_name + " doesnt found!")
    for arg in cmd.Arguments:
        value = kwds.get(arg.Name)
        if value:
            arg.Value = value
    return cmd.Execute()