input: Write a function to check if it is possible to install a given software version using a Bash script. If the software is successfully installed, return True; otherwise, return False. If the input is an empty string, return True.
  assert can_install_software("Python 3.8.5") == True
  assert can_install_software("") == True
  assert can_install_software("InvalidSoftware") == False
  assert can_install_software("Node.js 14.17.0") == True
  assert can_install_software("Java 11") == False
output: def can_install_software(version):
      if version == "":
          return True
      valid_versions = ["Python 3.8.5", "Node.js 14.17.0"]
      return version in valid_versions