code: def app():
      global root, sz, rz, rex0
      root = Tk()
      root.resizable(height=False, width=True)
      root.title(windowTitle)
      root.minsize(width=250, height=0)
      sz = FindZone("find", initialFind, initialText)
      sz.fld.bind("<Button-1>", launchRefresh)
      sz.fld.bind("<ButtonRelease-1>", launchRefresh)
      sz.fld.bind("<B1-Motion>", launchRefresh)
      sz.rexSel = re.compile("")
      rz = ReplaceZone("repl", initialRepl, "")
      rex0 = re.compile(r"(?<!\\)\\([0-9]+)")
      root.bind_all("<Key>", launchRefresh)
      launchRefresh(None)
      root.mainloop()
  
file_path: nltk/nltk/app/nemo_app.py
imports: import itertools
  import re
  from tkinter import SEL_FIRST, SEL_LAST, Frame, Label, PhotoImage, Scrollbar, Text, Tk
label_desc: Use image node_id 2 for calling a global function with example usage: app() without return types