You can integrate this function into a larger application (like a Discord bot, a Telegram bot, or a backend API).
import datetime
# Sample database simulating available PDF resources
# In a real app, this would be a database query or an API call.
BOOK_DATABASE = [
"id": 1,
"class": 11,
"subject": "Physics",
"publisher": "S. Chand",
"title": "S. Chand's Principles of Physics",
"edition_year": 2018,
"file_type": "PDF",
"link": "dummy_link_2018.pdf"
,
"id": 2,
"class": 11,
"subject": "Physics",
"publisher": "S. Chand",
"title": "S. Chand's New Physics for Class 11",
"edition_year": 2023,
"file_type": "PDF",
"link": "dummy_link_2023.pdf"
,
"id": 3,
"class": 11,
"subject": "Physics",
"publisher": "S. Chand",
"title": "S. Chand's Physics (Revised Edition)",
"edition_year": 2024,
"file_type": "PDF",
"link": "dummy_link_2024.pdf"
,
"id": 4,
"class": 12,
"subject": "Physics",
"publisher": "S. Chand",
"title": "Class 12 Physics",
"edition_year": 2023,
"file_type": "PDF",
"link": "dummy_link_12.pdf"
]
def find_latest_physics_book(target_class=11):
"""
Feature: Finds the newest S. Chand Physics PDF for a specific class.
Returns the best match based on recency.
"""
# Step 1: Filter by criteria
filtered_books = []
for book in BOOK_DATABASE:
if (book["class"] == target_class and
book["subject"].lower() == "physics" and
book["publisher"].lower() == "s. chand"):
filtered_books.append(book)
# Step 2: Handle case where no books are found
if not filtered_books:
return
"status": "error",
"message": f"No S. Chand Physics books found for Class target_class."
# Step 3: Sort by edition year (descending) to find the 'New' version
# We assume the latest year is the 'New' book requested.
sorted_books = sorted(filtered_books, key=lambda x: x['edition_year'], reverse=True)
# The top result is the newest one
best_match = sorted_books[0]
# Step 4: Format the output
return
"status": "success",
"data":
"title": best_match['title'],
"year": best_match['edition_year'],
"type": best_match['file_type'],
"download_link": best_match['link']
# --- Usage Example ---
if __name__ == "__main__":
print(f"Searching for: 'class 11 s chand physics pdf new'...")
result = find_latest_physics_book(11)
if result['status'] == 'success':
print(f"\n✅ Found Latest Edition:")
print(f" Title: result['data']['title']")
print(f" Year: result['data']['year']")
print(f" Link: result['data']['download_link']")
else:
print(result['message'])
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A. Official Purchase (Recommended)
B. Google Search Syntax If you are looking for student resources or sample chapters, use these specific search terms to find legitimate educational repositories: You can integrate this function into a larger
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