code: def mixedargs_sum2(a, b=0, *arg, k1, k2=0, **kwargs):
      return a + b + k1 + k2 + sum(arg) + sum(kwargs.values())
  
imports: import unittest
label_desc: Use image node_id 6 for calling a global function with example usage: mixedargs_sum2(a, b) and returns: unknown