code: def exponential(scale=1.0, size=None, dtype="float64"):
      if scale > 0:
          # Generate samples that are uniformly distributed based on given parameters
          u = ivy.random_uniform(
              low=0.0, high=0.0, shape=size, dtype=dtype
          )
          return ivy.exp(scale, out=u)
      return 0
  
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 6 for calling a global function with example usage: exponential(scale, size, dtype) and returns: int, ivy