code: def standard_t(df, size=None):
      numerator = ivy.random_normal(
          mean=0.0, std=1.0, shape=size, dtype="float64"
      )
      denominator = ivy.gamma(df / 2, 1.0, shape=size, dtype="float64")
      return ivy.sqrt(df / 2) * ivy.divide(
          numerator, ivy.sqrt(denominator)
      )
  
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 29 for calling a global function with example usage: standard_t(df, size) and returns: unknown