print("\n=== Daily Denomination Report ===")
for slot in range(1, 7):                      # outer for -- one denomination per loop
    if slot == 1: value, total = 100, total_100
    elif slot == 2: value, total = 50, total_50
    elif slot == 3: value, total = 20, total_20
    elif slot == 4: value, total = 10, total_10
    elif slot == 5: value, total = 5, total_5
    else: value, total = 1, total_1
    if total > 0:
        print(f"  {value}-unit notes dispensed : {total} ", end="")
        for note in range(total):             # inner for -- one symbol per note
            print("=", end="")
        print()

print(f"\nCustomers served : {customers_served}")
print(f"Total dispensed  : {total_dispensed} units")
print("ATM session closed. Goodbye!")