Top Python Quiz Questions 🐍

print("Hello, World!")

for i in range(3):  # Outer loop
    for j in range(2):  # Inner loop
        print(f"i: {i}, j: {j}")

import polars as pl

# Sample DataFrame
df = pl.DataFrame({
    "category": ["A", "B", "A", "B"],
    "values": [1, 2, 3, 4]
})

# GroupBy example
result = df.groupby("category").agg(pl.col("values").sum())
print(result)

  df.with_columns(pl.col("column_name").fill_null('default_value'))
  

  df.select(pl.col("column_name").interpolate())
  

  import subprocess
  result = subprocess.run(['ls', '-l'], capture_output=True, text=True)
  print(result.stdout)
  

  process = subprocess.Popen(['grep', 'python'], stdin=subprocess.PIPE, stdout=subprocess.PIPE)
  output, errors = process.communicate(input=b'python is awesome\njava is too\n')
  print(output.decode())
  

   pip install selenium
   

   from selenium import webdriver

   driver = webdriver.Chrome()  # or specify the path to your driver
   driver.get('https://example.com')
   print(driver.title)  # prints the title of the webpage
   driver.quit()
   

   from selenium import webdriver
   driver = webdriver.Chrome()
   

   element = driver.find_element_by_id('your-element-id')
   

print(type("Hello, World!"))

import mysql.connector

# Establishing a connection
connection = mysql.connector.connect(
    host="localhost",
    user="your_username",
    password="your_password",
    database="your_database"
)

# Creating a cursor object
cursor = connection.cursor()

  import copy
  original_list = [1, 2, [3, 4]]
  shallow_copied_list = copy.copy(original_list)
  

  deep_copied_list = copy.deepcopy(original_list)
  

print([1, 2, 3] * 2)

x = 'global'

def outer():
    x = 'enclosing'

    def inner():
        x = 'local'
        print(x)  # Prints 'local'
    
    inner()
    print(x)  # Prints 'enclosing'

outer()
print(x)  # Prints 'global'

fruits = ['apple', 'banana', 'cherry']
if 'banana' in fruits:
    print("Banana is in the list!")  # This will print

if 'grape' not in fruits:
    print("Grape is not in the list!")  # This will print

from PIL import Image
import numpy as np

# Create a random image
width, height = 100, 100
data = np.random.rand(height, width, 3) * 255
image = Image.fromarray(data.astype('uint8'))

image.save("random_image.png")

  from flask import Flask
  app = Flask(__name__)

  @app.route("/")
  def home():
      return "Welcome to my Flask app!"
  

  import pandas as pd
  data = pd.read_csv('data.csv')
  print(data.describe())
  

  import os
  os.rename("old_file.txt", "new_file.txt")
  

  b = bytearray([50, 100, 76])
  

  b[0] = 65  # Now b is bytearray(b'A\x64L')
  

  b_bytes = bytes(b)  # Converts bytearray to bytes