code: def table_annotate_many_flat():
      n = 1_000_000
      m = 100
      ht = hl.utils.range_table(n, 16)
      ht = ht.annotate(**{f"x{i}": i + ht.idx for i in range(m)})
      ht._force_count()
  
imports: from os import path
  from tempfile import TemporaryDirectory
  import hail
  from .resources import *
  from .utils import benchmark
label_desc: Use image node_id 14 for calling a global function with example usage: table_annotate_many_flat() without return types