code: def foo():
      """
      Docstring
      """
  
      # Here we go
      if x:
          # This is also now fine
          a = 123
  
      else:
          # But not necessary
          a = 123
  
      if y:
          while True:
              """
              Long comment here
              """
              a = 123
  
      if z:
          for _ in range(100):
              a = 123
      else:
          try:
              # this should be ok
              a = 123
          except:
              """also this"""
              a = 123
  
file_path: black/tests/data/cases/preview_allow_empty_first_line.py
label_desc: Use image node_id 6 for calling a global function with example usage: foo() without return types