Python : Simple CSV reader writer using Pandas

Sample CSV reader /Writer using pandas

import  pandas,os
p="/home/deepak/Python/testData/1.csv"

sheet=pandas.DataFrame( {"rollno":[1,2],"name":["a",'b']})
sheet.to_csv(p)

if(os.path.exists(p)):  
    Obj=pandas.read_csv(p)
    print(Obj.columns) #print all columns
    print(Obj['name'][1]) #Print 1 row 1 col value
    Obj.set_value(0,"name","deepak")
    Obj.to_csv(p)