code: def isfullwidth(token):
      return all(
          unicodedata.east_asian_width(char) in ["W", "F", "A"]
          for char in token
      )
  
file_path: underthesea/underthesea/utils/sp_fn.py
imports: import unicodedata
label_desc: Use image node_id 2 for calling a global function with example usage: isfullwidth(token) and returns: all