code: def test_discrete_x():
      p = ggplot(data, aes("x", "y")) + geom_count()
  
      assert p == "discrete_x"
  
imports: import pandas
  from plotnine import aes, geom_count, ggplot
label_desc: Use image node_id 1 for calling a global function with example usage: test_discrete_x() without return types