text: """Provides the main logic of the application"""
  import logging
  import semver
  
  logger = logging.getLogger()
  
  
  def get_current_version(tags):
      """Get the current version.
  
      Args:
          tags(list): list of git tags
  
      Returns:
          string: A version that corresponds to the tag that represents
                  the last version.
  
      """
      versions = [tag[1:] for tag in tags]
      valid_versions = [version
                        for version
                        in versions
                        if semver.VersionInfo.isvalid(version)]
      semver_versions = [semver.VersionInfo.parse(version)
                         for version
                         in valid_versions]
      return str(max(semver_versions)) if semver_versions else "0.0.0"
  
  
  def get_next_version(tags):
      """Get the next version."""
      versions = [tag[1:] for tag in tags]
      valid_versions = [version
                        for version
                        in versions
                        if semver.VersionInfo.isvalid(version)]
      semver_versions = [semver.VersionInfo.parse(version)
                         for version
                         in valid_versions]
      return (str(max(semver_versions).bump_patch())
              if semver_versions
              else "0.1.0")
  