Instruction: Can you please fix any errors in the python code below, so that it may be able to run without any issues in a python application?

# Function for the first activity def process_transaction(): # Declarations itemName = "" itemPrice = 0 amtTend = 1000 GCT = 0.15 # Inputs itemName = input("Enter item name: ") itemPrice = float(input("Enter item price: ")) totalDue = itemPrice + (GCT * itemPrice) change = amtTend - totalDue # Outputs print("Item Name:", itemName) print("Item Cost:", totalDue) print(f"GCT @ {GCT * 100}%") print("Total Due:", totalDue) print("Amount Tendered:", amtTend) print("Change:", change) # Function for the second activity def calculate_square_and_cube(): # Declarations num = 0 # Input num = int(input("Enter a number: ")) # Calculations square = num * num cube = num * num * num # Outputs print(f"The square of {num} is {square}") print(f"The cube of {num} is {cube}") # Main program if __name__ == "__main__": # Activity 1 process_transaction() # Activity 2 calculate_square_and_cube()