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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 _windows_cpudata():
    '''
    Return some CPU information on Windows minions
    '''
    # Provides:
    #   num_cpus
    #   cpu_model
    grains = {}
    if 'NUMBER_OF_PROCESSORS' in os.environ:
        # Cast to int so that the logic isn't broken when used as a
        # conditional in templating. Also follows _linux_cpudata()
        try:
            grains['num_cpus'] = int(os.environ['NUMBER_OF_PROCESSORS'])
        except ValueError:
            grains['num_cpus'] = 1
    grains['cpu_model'] = salt.utils.win_reg.read_value(
        hive="HKEY_LOCAL_MACHINE",
        key="HARDWARE\\DESCRIPTION\\System\\CentralProcessor\\0",
        vname="ProcessorNameString").get('vdata')
    return grains