code: def sanitize_capabilities(caps):
      
      platform = caps["platform"]
  
      upper_platform = platform.upper()
  
      if upper_platform.startswith("WINDOWS 8"):
          caps["platform"] = "WIN8"
      elif upper_platform.startswith("OS X "):
          caps["platform"] = "MAC"
      elif upper_platform == "WINDOWS 10":
          del caps["platform"]
          caps["os"] = "Windows"
          caps["os_version"] = "10"
  
      if caps["browserName"].upper() == "MICROSOFTEDGE":
          # Sauce Labs takes complete version numbers like
          # 15.1234. However, Browser Stack takes only .0 numbers like
          # 15.0.
          caps["version"] = caps["version"].split(".", 1)[0] + ".0"
  
      caps["browser_version"] = caps["version"]
      del caps["version"]
  
      return caps
docs: Sanitize the capabilities we pass to Selenic so that they can
      be consumed by Browserstack.
  
      :param caps: The capabilities passed to Selenic. This dictionary
      is modified.
  
      :returns: The sanitized capabilities.