code: def around(df, decimals=0, *args, **kwargs):
      if len(args) > 0:
          raise TypeError(
              f"round() takes 0 positional arguments but {len(args)} was given"
          )
      op = DataFrameAround(decimals=decimals, **kwargs)
      return op(df)
  
file_path: mars/mars/dataframe/arithmetic/around.py
imports: import numpy
  from ...None import opcodes
  from ...serialization.serializables import Int32Field
  from ...utils import classproperty
  from .core import DataFrameUnaryUfunc
label_desc: Use image node_id 1 for calling a global function with example usage: around(df, decimals) and returns: op