basic_python_csv2.py

with open('student_details.csv' , 'r') as csv_file1:
     ## Reading csv file
     file1 = csv.reader(csv_file1)
     ## Now we are creating new file to write a content.
     ## If this file doesn't exist already then it will create on its own.
     ## Opening in write mode.
     with open('student_details2.csv' , 'w') as csv_file2:
     ## Using a 't' delimiter to store values.
         file2 = csv.writer(csv_file2, delimiter='-')
     ## Reading line from file1 and then writing in a new created csv file.
         for line in file1:
             file2.writerow(line)

 ## Reading newly written file
 with open('student_details2.csv' , 'r') as csv_file2:
     ## Reading csv file
     ## Here without delimiter specified
     file2 = csv.reader(csv_file2)
     ## Output is different as it uses t as raw form.
     for line in file2:
         print(line)
     
#[Output]:
#['Name tRoll no.tClass ']
#['Akshayt1t2']
#['Rajesht24t3']
#['Bramt12t6']
#['Srishikat45t7']
#['Radhikat78t6']
#['Bluenixt67t6']


## See how with delimiter our output gets changed.
with open('student_details2.csv' , 'r') as csv_file2:
     ## Reading csv file
     ## Here without delimiter specified
     file2 = csv.reader(csv_file2, delimiter="t")
     ## Output is different as it uses t as raw form.
     for line in file2:
         print(line)
 
#[Output]:
#['Name ', 'Roll no.', 'Class ']
#['Akshay', '1', '2']
#['Rajesh', '24', '3']
#['Bram', '12', '6']
#['Srishika', '45', '7']
#['Radhika', '78', '6']
#['Bluenix', '67', '6']