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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 createObjBuilders(env):
 """This is a utility function that creates the StaticObject and SharedObject Builders in an Environment if they are not there already. If they are there already, we return the existing ones. This is a separate function because soooo many Tools use this functionality. The return is a 2-tuple of (StaticObject, SharedObject) """



    try:
        static_obj = env['BUILDERS']['StaticObject']
    except KeyError:
        static_obj = SCons.Builder.Builder(action = {},
                                           emitter = {},
                                           prefix = '$OBJPREFIX',
                                           suffix = '$OBJSUFFIX',
                                           src_builder = ['CFile', 'CXXFile'],
                                           source_scanner = SourceFileScanner,
                                           single_source = 1)
        env['BUILDERS']['StaticObject'] = static_obj
        env['BUILDERS']['Object'] = static_obj

    try:
        shared_obj = env['BUILDERS']['SharedObject']
    except KeyError:
        shared_obj = SCons.Builder.Builder(action = {},
                                           emitter = {},
                                           prefix = '$SHOBJPREFIX',
                                           suffix = '$SHOBJSUFFIX',
                                           src_builder = ['CFile', 'CXXFile'],
                                           source_scanner = SourceFileScanner,
                                           single_source = 1)
        env['BUILDERS']['SharedObject'] = shared_obj

    return (static_obj, shared_obj)