code: def minify(compiled):
      
      compiled = compiled.strip()
      if compiled:
          out = []
          for line in compiled.splitlines():
              line = line.split("#", 1)[0].rstrip()
              if line:
                  ind = 0
                  while line.startswith(" "):
                      line = line[1:]
                      ind += 1
                  internal_assert(ind % tabideal == 0, "invalid indentation in", line)
                  out.append(" " * (ind // tabideal) + line)
          compiled = "\n".join(out) + "\n"
      return compiled
docs: Perform basic minifications.
  
      Fails on non-tabideal indentation or a string with a #.