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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 generate(env):
 """ Add Builders and construction variables for Visual Age C++ compilers to an Environment. """

    import SCons.Tool
    import SCons.Tool.cc
    static_obj, shared_obj = SCons.Tool.createObjBuilders(env)

    for suffix in CXXSuffixes:
        static_obj.add_action(suffix, SCons.Defaults.CXXAction)
        shared_obj.add_action(suffix, SCons.Defaults.ShCXXAction)
        static_obj.add_emitter(suffix, SCons.Defaults.StaticObjectEmitter)
        shared_obj.add_emitter(suffix, SCons.Defaults.SharedObjectEmitter)

    SCons.Tool.cc.add_common_cc_variables(env)

    if 'CXX' not in env:
        env['CXX']    = env.Detect(compilers) or compilers[0]
    env['CXXFLAGS']   = SCons.Util.CLVar('')
    env['CXXCOM']     = '$CXX -o $TARGET -c $CXXFLAGS $CCFLAGS $_CCCOMCOM $SOURCES'
    env['SHCXX']      = '$CXX'
    env['SHCXXFLAGS'] = SCons.Util.CLVar('$CXXFLAGS')
    env['SHCXXCOM']   = '$SHCXX -o $TARGET -c $SHCXXFLAGS $SHCCFLAGS $_CCCOMCOM $SOURCES'

    env['CPPDEFPREFIX']  = '-D'
    env['CPPDEFSUFFIX']  = ''
    env['INCPREFIX']  = '-I'
    env['INCSUFFIX']  = ''
    env['SHOBJSUFFIX'] = '.os'
    env['OBJSUFFIX'] = '.o'
    env['STATIC_AND_SHARED_OBJECTS_ARE_THE_SAME'] = 0

    env['CXXFILESUFFIX'] = '.cc'