code: def __sequenceLt(l):
      "Test a sequences values for being less than 0."
      for e in l:
          if 0 <= e:
              raise argparse.ArgumentTypeError(
                  "All values have to be less than 0."
              )
      return l
  
imports: import argparse
  import itertools
  import os
label_desc: Use image node_id 16 for calling a global function with example usage: __sequenceLt(l) and returns: l