Add label to selected joints

jointLabel

import maya.cmds as mc

sl=mc.ls( sl=1 )
nLabel = None
side = None
for s in sl:
	if s.startswith( 'L_' ) or s.startswith( 'Left_' ):
		try:
			nLabel = s.replace( 'L_', '' )
			side = 1
		except:
			nLabel = s.replace( 'Left_', '' )
			side = 1
		finally: pass
	elif s.startswith( 'R_' ) or s.startswith( 'Right_' ):
		try:
			nLabel = s.replace( 'R_', '' )
			side = 2
		except:
			nLabel = s.replace( 'Right_', '' )
			side = 2
		finally: pass
	elif s.startswith( 'C_' ) or s.startswith( 'Center_' ):
		try:
			nLabel = s.replace( 'C_', '' )
		except:
			nLabel = s.replace( 'Center_', '' )
		finally: pass
	elif s.endswith( '_L' ) or s.endswith( '_Left' ):
		try:
			nLabel = s.replace( '_L', '' )
			side = 1
		except:
			nLabel = s.replace( '_Left', '' )
			side = 1
		finally: pass
	elif s.endswith( '_R' ) or s.endswith( '_Right' ):
		try:
			nLabel = s.replace( '_R', '' )
			side = 2
		except:
			nLabel = s.replace( '_Right', '' )
			side = 2
		finally: pass
	elif s.endswith( '_C' ) or s.endswith( '_Center' ):
		try:
			nLabel = s.replace( '_C', '' )
		except:
			nLabel = s.replace( '_Center', '' )
		finally: pass
	elif '_L_' in s or '_Left_' in s:
		try:
			nLabel = s.replace( '_L_', '_' )
			side = 1
		except:
			nLabel = s.replace( '_Left_', '_' )
			side = 1
		finally: pass
	elif '_R_' in s or '_Right_' in s:
		try:
			nLabel = s.replace( '_R_', '_' )
			side = 2
		except:
			nLabel = s.replace( '_Right_', '_' )
			side = 2
		finally: pass
	elif '_C_' in s or '_Center_' in s:
		try:
			nLabel = s.replace( '_C_', '_' )
		except:
			nLabel = s.replace( '_Center_', '_' )
		finally: pass
	if nLabel:
		mc.setAttr( s + '.side', side )
		mc.setAttr( s + '.type', 18 )
		mc.setAttr( s + '.otherType', nLabel, type='string' )