code: def get_msvcr():
      """Include the appropriate MSVC runtime library if Python was built
      with MSVC 7.0 or later.
      """
      match = re.search(r"MSC v\.(\d{4})", sys.version)
      try:
          msc_ver = int(match.group(1))
      except AttributeError:
          return
      try:
          return _msvcr_lookup[msc_ver]
      except KeyError:
          raise ValueError("Unknown MS Compiler version %s " % msc_ver)
  
imports: import os
  import re
  import sys
  import copy
  import shlex
  import warnings
  from subprocess import check_output
  from .unixccompiler import UnixCCompiler
  from .file_util import write_file
  from .errors import DistutilsExecError, DistutilsPlatformError, CCompilerError, CompileError
  from .version import LooseVersion, suppress_known_deprecation
  from ._collections import RangeMap
label_desc: Use image node_id 1 for calling a global function with example usage: get_msvcr() and returns: _msvcr_lookup