function parameter function

[bendarodes]

Hi i am new in python. i want to a function with a paremeter which is also function. My code is over there.

import pandas as pd
veri=pd.read_csv("Data.csv")
veri

def veri_cek(alan,fonksiyon,deger):
    return veri.loc[veri[alan].fonksiyon(deger)]

print(veri_cek2('Age',"gt",40))

this is the error message..

Error:
AttributeError                            Traceback (most recent call last)
<ipython-input-41-78b5dcc3807d> in <module>
----> 1 print(veri_cek2('Age',"gt",40))

<ipython-input-38-aa42b137d68d> in veri_cek2(alan, fonksiyon, deger)
      1 def veri_cek2(alan,fonksiyon,deger):
----> 2     return veri.loc[veri[alan].fonksiyon(deger)]

~\Anaconda3\envs\IstatistikUygulamaliVeriMadenci\lib\site-packages\pandas\core\generic.py in __getattr__(self, name)
   5065             if self._info_axis._can_hold_identifiers_and_holds_name(name):
   5066                 return self[name]
-> 5067             return object.__getattribute__(self, name)
   5068 
   5069     def __setattr__(self, name, value):

AttributeError: 'Series' object has no attribute 'fonksiyon'

Please anybody can help me?