code: def contains(small, large):
      """Returns true iff all elements of 'small' exist in 'large'."""
      small = to_seq(small)
      large = to_seq(large)
  
      for s in small:
          if not s in large:
              return False
      return True
  
imports: from b2.util import is_iterable
  from .utility import to_seq
label_desc: Use image node_id 3 for calling a global function with example usage: contains(small, large) and returns: True, False