code: def main(args=None):
      """Go go team"""
      parser = OptionParser(
          usage=f"{sys.argv[0]} [FILE ...]\n\n" + __doc__,
          version="%prog " + nib.__version__,
      )
      (opts, files) = parser.parse_args(args=args)
  
      for fname in files:
          with nib.openers.ImageOpener(fname) as fobj:
              hdr = fobj.read(nib.nifti1.header_dtype.itemsize)
          result = nib.Nifti1Header.diagnose_binaryblock(hdr)
          if len(result):
              print(f'Picky header check output for "{fname}"\n')
              print(result + "\n")
          else:
              print(f'Header for "{fname}" is clean')
  
imports: import sys
  from optparse import OptionParser
  import nibabel
label_desc: Use image node_id 1 for calling a global function with example usage: main(args) without return types