code: def set_clang_compiler_path(environ_cp):
      """Set CLANG_COMPILER_PATH and environment variables.
  
      Loop over user prompts for clang path until receiving a valid response.
      Default is used if no input is given. Set CLANG_COMPILER_PATH and write
      environment variables CC and BAZEL_COMPILER to .bazelrc.
  
      Args:
        environ_cp: (Dict) copy of the os.environ.
  
      Returns:
        string value for clang_compiler_path.
      """
      # Default path if clang-16 is installed by using apt-get install
      default_clang_path = "/usr/lib/llvm-17/bin/clang"
      if not os.path.exists(default_clang_path):
          default_clang_path = "/usr/lib/llvm-16/bin/clang"
          if not os.path.exists(default_clang_path):
              default_clang_path = which("clang") or ""
  
      clang_compiler_path = prompt_loop_or_load_from_env(
          environ_cp,
          var_name="CLANG_COMPILER_PATH",
          var_default=default_clang_path,
          ask_for_var="Please specify the path to clang executable.",
          check_success=os.path.exists,
          resolve_symlinks=True,
          error_msg=(
              "Invalid clang path. %s cannot be found. Note that TensorFlow now"
              " requires clang to compile. You may override this behavior by"
              " setting TF_NEED_CLANG=0"
          ),
      )
  
      write_action_env_to_bazelrc(
          "CLANG_COMPILER_PATH", clang_compiler_path
      )
      write_to_bazelrc("build --repo_env=CC=%s" % clang_compiler_path)
      write_to_bazelrc(
          "build --repo_env=BAZEL_COMPILER=%s" % clang_compiler_path
      )
  
      return clang_compiler_path
  
imports: import argparse
  import errno
  import glob
  import json
  import os
  import platform
  import re
  import subprocess
  import sys
label_desc: Use image node_id 33 for calling a global function with example usage: set_clang_compiler_path(environ_cp) and returns: clang_compiler_path