code: def test_three_backticks_or_more():
      assert three_backticks_or_more([""]) == "```"
      assert three_backticks_or_more(["``"]) == "```"
      assert three_backticks_or_more(["```python"]) == "````"
      assert three_backticks_or_more(["```"]) == "````"
      assert three_backticks_or_more(["`````python"]) == "``````"
      assert three_backticks_or_more(["`````"]) == "``````"
  
file_path: jupytext/tests/unit/test_markdown_in_code_cells.py
imports: import pytest
  from nbformat.v4.nbbase import new_code_cell, new_notebook
  from jupytext import reads, writes
  from jupytext.cell_to_text import three_backticks_or_more
  from jupytext.compare import compare, compare_notebooks
label_desc: Use image node_id 1 for calling a global function with example usage: test_three_backticks_or_more() without return types