basic_python_csv1.py

import csv

with open('student_details.csv' , 'r') as csv_file1:
     file1 = csv.reader(csv_file1)
## It will print the csv reader object.
     print(file1)
## It will print each line as a list
     for line in file1:
         print(line)
      
#[Output]:
#<_csv.reader object at 0x000002D96F31BBA8>
#['Name ', 'Roll no.', 'Class ']
#['Akshay', '1', '2']
#['Rajesh', '24', '3']
#['Bram', '12', '6']
#['Srishika', '45', '7']
#['Radhika', '78', '6']
#['Bluenix', '67', '6']

## If you wants to remove the first line, ie., header part
with open('student_details.csv' , 'r') as csv_file1:
     file1 = csv.reader(csv_file1)
     ## It will print the csv reader object.
     print(file1)
     ## It will start pointing to second line as it is working as a generator.                                  next(file1)
     ## It will print each line as a list
     for line in file1:
         print(line)

#[Output]:
#<_csv.reader object at 0x000002D96F31BC10>
#['Akshay', '1', '2']
#['Rajesh', '24', '3']
#['Bram', '12', '6']
#['Srishika', '45', '7']
#['Radhika', '78', '6']
#['Bluenix', '67', '6']

## delimiter is also a parameter in function reader sometimes, "," is not a separtor  then we need to mention.
with open('student_details.csv' , 'r') as csv_file1:
     file1 = csv.reader(csv_file1, delimiter =",")
     ## It will print the csv reader object.
     print(file1)
     ## It will start pointing to second line as it is working as a generator.    next(file1)
     ## It will print each line as a list
     for line in file1:
         print(line)
     
#[Output]:
#<_csv.reader object at 0x000002D96F31BD48>
#['Akshay', '1', '2']
#['Rajesh', '24', '3']
#['Bram', '12', '6']
#['Srishika', '45', '7']
#['Radhika', '78', '6']
#['Bluenix', '67', '6']