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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 general_acquisition_info(metadata):
 """ General sentence on data acquisition. Should be first sentence in MRI data acquisition section. Parameters metadata : :obj:`dict` The metadata for the dataset. Returns ------- out_str : :obj:`str` Output string with scanner information. """

    out_str = ('MR data were acquired using a {tesla}-Tesla {manu} {model} '
               'MRI scanner.')
    out_str = out_str.format(tesla=metadata.get('MagneticFieldStrength',
                                                'UNKNOWN'),
                             manu=metadata.get('Manufacturer', 'MANUFACTURER'),
                             model=metadata.get('ManufacturersModelName',
                                                'MODEL'))
    return out_str