In [10]:

    

import pandas as pd
columns = ['A','B', 'C']
df = pd.DataFrame(index=range(10), columns=columns)
df = df.fillna(0)
df.head()


    

    
Out[10]:






  

    

      

      
A
      
B
      
C
    
  
  

    

      
0
      
0
      
0
      
0
    
    

      
1
      
0
      
0
      
0
    
    

      
2
      
0
      
0
      
0
    
    

      
3
      
0
      
0
      
0
    
    

      
4
      
0
      
0
      
0
    
  

In [1]:

    

def factorial(n):return reduce(lambda x,y:x*y,[1]+range(1,n+1))

def factorial(n):
    if n == 0:
        return 1
    else:
        return n * factorial(n-1)


    

In [3]:

    

print("..")


    

    




..

In [7]:

    

!ls ../.jupyter/*


    

    




../.jupyter/jupyter_notebook_config.py	../.jupyter/migrated

../.jupyter/custom:
custom.css  custom.js

../.jupyter/nbconfig:
nbextensions_default.json  notebook.json

In [8]:

    

!cat ../.jupyter/nbconfig/notebook.json


    

    




{
  "load_extensions": {
    "jupyter_themes/theme_selector": true,
    "limit_output/main": true,
    "code_prettify/code_prettify": true,
    "table_beautifier/main": true,
    "code_font_size/code_font_size": true,
    "toc2/main": true,
    "toggle_all_line_numbers/main": true,
    "execute_time/ExecuteTime": true,
    "ruler/main": true
  },
  "toc2": {
    "toc_cell": true
  }
}

In [ ]: