def print_list(lst):
    if not lst:
        return
    print(lst[0])
    print_list(lst[1:])

print_list([1, 2, 3, 4])

1
2
3
4

print(a is b)

a = [1, 2, 3]
b = a

# analytics/stats.py
from .utils import format_number

import math as m

print(m.pi)     # Output: 3.141592653589793

3.141592653589793

import os

os.rename("sample.txt", "renamed.txt")
os.remove("renamed.txt")

def calculate_total(a, b):
    return a + b

def main():
    result = calculate_total(10, 20)
    print("Total:", result)

if __name__ == "__main__":
    main()

Total: 30

class Parent:
    def show(self):
        print("This is the parent class")

class Child(Parent):
    pass

c = Child()
c.show()

This is the parent class

import csv

with open("data.csv", "r") as file:
    reader = csv.reader(file)
    header = next(reader)
    print("Header:", header)

    for row in reader:
        print(row)

import csv

with open("data.csv", "r") as file:
    reader = csv.reader(file)
    next(reader)  # Skip header
    for row in reader:
        print(row)

['Alice', '25', 'Paris']
['Bob', '30', 'London']