df = pd.DataFrame()

code='cve'

df = pd.DataFrame()

for k in np.arange(0.4,0.6,0.01):

  doc = {

      'k':k,

      'return':get_return(code,k)

  }

  df = df.append(doc,ignore_index=True)

df.sort_values(by='return',ascending=False)

Data Frame 에서 append를 못사용하는거같은데 다른방법좀 알려주세요

작성한 코드 및 에러 메세지

AttributeError                            Traceback (most recent call last)
<ipython-input-139-5426dba7c352> in <cell line: 5>()
      8       'return':get_return(code,k)
      9   }
---> 10   df = df.append(doc,ignore_index=True)
     11 
     12 df.sort_values(by='return',ascending=False)

/usr/local/lib/python3.10/dist-packages/pandas/core/generic.py in __getattr__(self, name)
   5987         ):
   5988             return self[name]
-> 5989         return object.__getattribute__(self, name)
   5990 
   5991     def __setattr__(self, name: str, value) -> None:

AttributeError: 'DataFrame' object has no attribute 'append'