Python Programming - Standard Libraries

import csv

# Example usage of csv module for reading from a CSV file
with open('data.csv', 'r') as csvfile:
    reader = csv.reader(csvfile)
    for row in reader:
        print(row)

import xml.etree.ElementTree as ET

# Example usage of xml.etree.ElementTree module for parsing an XML file
tree = ET.parse('data.xml')
root = tree.getroot()
for element in root:
    print(element.tag, element.attrib)

from collections import defaultdict

# Example usage of collections.defaultdict
default_dict = defaultdict(int)
default_dict['a'] += 1
default_dict['b'] += 2
print(default_dict)

import platform

# Example usage of platform module for getting Python version information
python_version = platform.python_version()
print(f"Python version: {python_version}")

import codecs

# Example usage of codecs module for encoding and decoding text
text = "Hello, World!"
encoded_text = codecs.encode(text, 'rot_13')
decoded_text = codecs.decode(encoded_text, 'rot_13')
print(decoded_text)