code: def _ft_selector(ft_r, ftt, sources, targets):
      sources = sources[ft_r <= ftt]
      targets = targets[ft_r <= ftt]
      return sources, targets
  
imports: import numpy
label_desc: Use image node_id 6 for calling a global function with example usage: _ft_selector(ft_r, ftt, sources, targets) and returns: sources,  targets