code: def remove_indentation(text):
      """Remove the indendation found in the first line in text."""
      lines = text.split("\n")
      indent = _re_indent.search(lines[0]).groups()[0]
      new_lines = [line[len(indent) :] for line in lines]
      return "\n".join(new_lines)
  
imports: import nbformat
  import os
  import re
  import shutil
label_desc: Use image node_id 5 for calling a global function with example usage: remove_indentation(text) and returns: str