Page 52 - ipp11

else:
copies = int(input("Enter number of copies: "))
library[book] = copies
print("Book added successfully.")
elif choice == 'b':
book = input("Enter book title to update: ")
if book in library:
new_copies = int(input("Enter updated number of copies: "))
library[book] = new_copies
print("Book stock updated.")
else:
print("Book not found in the library.")
elif choice == 'c':
book = input("Enter book title to issue: ")
if book in library:
if library[book] > 0:
library[book] -= 1
print("Book issued successfully.")
else:
print("No copies left to issue.")
else:
print("Book not found.")
elif choice == 'd':
if library:
print("\nBooks in Library (sorted):")
for title in sorted(library):
print("Title:", title, library[title], "copies")
else:
print("Library is empty.")
elif choice == 'e':
print("Exiting program")
break
else:
print("Invalid choice! Please enter a letter from a to e.")

M.22