code: def dirichlet(alpha, size=None):
      return ivy.dirichlet(alpha, size=size)
  
imports: import ivy
  from ivy.functional.frontends.numpy.func_wrapper import to_ivy_arrays_and_back, from_zero_dim_arrays_to_scalar
  from ivy import with_supported_dtypes
label_desc: Use image node_id 5 for calling a global function with example usage: dirichlet(alpha, size) and returns: ivy