code: def to_title_caps(underscore_case):
      r
      words = underscore_case.split('_')
      words2 = [
          word[0].upper() + word[1:]
          for count, word in enumerate(words)
      ]
      title_str = ' '.join(words2)
      return title_str
docs: r"""
      Args:
          underscore_case (?):
  
      Returns:
          str: title_str
  
      CommandLine:
          python -m utool.util_str --exec-to_title_caps
  
      Example:
          >>> # DISABLE_DOCTEST
          >>> from utool.util_str import *  # NOQA
          >>> underscore_case = 'the_foo_bar_func'
          >>> title_str = to_title_caps(underscore_case)
          >>> result = ('title_str = %s' % (str(title_str),))
          >>> print(result)
          title_str = The Foo Bar Func