code: def test_thatPipeSymbolIsEscaped():
      dictionary1 = stringio("|hello\nm|y\nworl|d\nof\nnothing|\n")
      dictionary2 = stringio("let|\nm|e\nb|#e\nclear\n||about\ni||#t\n")
      input = stringio(
          "|hello m|y\tclear ||about\nworl|d of\ti||#t let| clear\n"
      )
      output = stringio()
  
      convert([dictionary1, dictionary2], [input], output, None, True)
  
      expectedOutput = stringio()
      expectedOutput.write("0\t|S0 0:1 |# |#hello\t|S1 3:1 |# clear\n")
      expectedOutput.write("0\t|S0 1:1 |# m|#y\t|S1 4:1 |# |#|#about\n")
      expectedOutput.write("1\t|S0 2:1 |# worl|#d\t|S1 5:1 |# i|#|#t\n")
      expectedOutput.write("1\t|S0 3:1 |# of\t|S1 0:1 |# let|#\n")
      expectedOutput.write("1\t\t|S1 3:1 |# clear\n")
      for x in zip(
          output.getvalue().split("\n"),
          expectedOutput.getvalue().split("\n"),
      ):
          assert x[0] == x[1]
  
file_path: CNTK/Scripts/txt2ctf.py
imports: import sys
  import argparse
  import re
label_desc: Use image node_id 4 for calling a global function with example usage: test_thatPipeSymbolIsEscaped() without return types