📦 Modules & Libraries

# Standard modules
import math
import random
import os
import datetime

# Specific function import
from math import sqrt, pi
print(sqrt(16))  # 4.0
print(pi)        # 3.14159...\

# Alias
import datetime as dt
print(dt.datetime.now())

import random

print(random.randint(1, 100))    # 1-100 random
print(random.random())           # 0.0-1.0

fruits = ["Apple","Banana","Mango"]
print(random.choice(fruits))     # random fruit
random.shuffle(fruits)
print(fruits)                     # shuffled list
print(random.sample(fruits, 2))  # 2 unique items

from datetime import datetime, date

now = datetime.now()
print(f"Aaj: {now.strftime('%d-%m-%Y')}")
print(f"Time: {now.strftime('%H:%M:%S')}")
print(f"Year: {now.year}")
print(f"Month: {now.month}")
print(f"Day: {now.day}")

# Chapter 15: Modules — Advanced Practice
print("=== Modules Practice ===")

# Example 1: Basic usage
result = "Python mein Modules bahut powerful hai!"
print(result)

# Example 2: Real world use
data = ["Modules", "Python", "Hindi", "PythonHindi.in"]
for item in data:
    print(f"Item: {item}")

print("\nPractice complete! Great job! 🎉")

# Chapter 15: Modules  Libraries — Advanced Examples
# Yeh code copy karo aur run karo!

# Example 1: Basic concept
print("=== Chapter 15: Modules  Libraries ===")

# Example 2: List operations
items = ["Python", "Hindi", "Code", "Practice"]
for i, item in enumerate(items, 1):
    print(f"{i}. {item}")

# Example 3: Dictionary usage
chapter_info = {
    "number": 15,
    "title":  "Modules  Libraries",
    "level":  "Intermediate",
    "done":   False
}
for key, value in chapter_info.items():
    print(f"  {key:10}: {value}")

# Example 4: Function
def practice_summary(chapter, completed=False):
    status = "Complete ✅" if completed else "In Progress ⏳"
    return f"Chapter {chapter}: {status}"

print(practice_summary(15))
print(practice_summary(15, True))