code: def getmeths(method_type):
      
      meths = []
      if method_type == 'GM':
          meths.append('GM-PMAG-APWP')
          meths.append('GM-ARAR')
          meths.append('GM-ARAR-AP')
          meths.append('GM-ARAR-II')
          meths.append('GM-ARAR-NI')
          meths.append('GM-ARAR-TF')
          meths.append('GM-CC-ARCH')
          meths.append('GM-CC-ARCHMAG')
          meths.append('GM-C14')
          meths.append('GM-FOSSIL')
          meths.append('GM-FT')
          meths.append('GM-INT-L')
          meths.append('GM-INT-S')
          meths.append('GM-ISO')
          meths.append('GM-KAR')
          meths.append('GM-PMAG-ANOM')
          meths.append('GM-PMAG-POL')
          meths.append('GM-PBPB')
          meths.append('GM-RATH')
          meths.append('GM-RBSR')
          meths.append('GM-RBSR-I')
          meths.append('GM-RBSR-MA')
          meths.append('GM-SMND')
          meths.append('GM-SMND-I')
          meths.append('GM-SMND-MA')
          meths.append('GM-CC-STRAT')
          meths.append('GM-LUM-TH')
          meths.append('GM-UPA')
          meths.append('GM-UPB')
          meths.append('GM-UTH')
          meths.append('GM-UTHHE')
      else:
          pass
      return meths
docs: returns MagIC  method codes available for a given type