code: def defjvp_argnums(fun, jvpmaker):
      primitive_jvps[fun] = jvpmaker
  
imports: from itertools import count
  from functools import reduce
  from .tracer import trace, primitive, toposort, Node, Box, isbox, getval
  from .util import func, subval
  import warnings
label_desc: Use image node_id 8 for calling a global function with example usage: defjvp_argnums(fun, jvpmaker) without return types