code: def constrain(n, min, max):
      """This returns a number, n constrained to the min and max bounds."""
  
      if n < min:
          return min
      if n > max:
          return max
      return n
  
imports: import codecs
  import copy
  import sys
  import warnings
label_desc: Use image node_id 1 for calling a global function with example usage: constrain(n, min, max) and returns: n, min, max