code: def foo(x, y, z, a=1, b=2):
      return x + y + z + a + b
  
file_path: klepto/klepto/tests/test_validate.py
imports: import sys
  from functools import partial
  from klepto import validate
label_desc: Use image node_id 1 for calling a global function with example usage: foo(x, y, z, a, b) and returns: unknown