Reading and Writing CSV Files in Python

Program 1

import csv 
try:
    filename=input("Enter a file name for create: ")
    f=open("d://mydata/"+filename+".csv","w",newline='')
    if(f.writable()):
        obj=csv.writer(f)
        obj.writerow(['eno','ename','salary','department'])
        while True:
            en=int(input("Enter Employee Number: "))
            name=input("Enter Name: ")
            sal=int(input("Enter Salary: "))
            dept=input("Enter Department Name: ")
            obj.writerow([en,name,sal,dept])    
            choice=input("Are you sure want ot continue(Yes/No)")
            choice=choice.upper()
            if(choice=='NO'):
                break
    else:
        print("Read only file.....")     
except Exception as obj:
    print(obj)        
finally:
     f.close()

Program 2

#Program to read data from CSV file
import os,csv
try:
    filename=input("Enter a file name for create: ")
    if(os.path.isfile("d://mydata/"+filename+".csv")):
         f=open("d://mydata/"+filename+".csv","r")
         obj=csv.reader(f)
         mylist=list(obj)
         for row in mylist:
              for col in row:
                   print(col,end=" ")
              print()                     
         f.close()                     
    else:
            print("Invalid file name.....File not found")
    
except Exception as obj:
    print(obj)