Input and output

print("a", "b", "c")                 # spaces between items
print("a", "b", "c", sep=" | ")      # choose the separator
print("loading", end="... ")         # stay on the same line
print("done")
print()                              # an empty line
print("Line 1\nLine 2")             # \n is a new line

a b c
a | b | c
loading... done

Line 1
Line 2

name = input("Your name: ")
qty = int(input("How many items? "))    # input is always text
price = float(input("Price per item: "))

total = qty * price
print()
print(f"Hi {name}, your total is {total:,.2f}")

Your name: How many items? Price per item:
Hi Meera, your total is 747.00

raw = "abc"                  # what if the user types letters?
try:
    qty = int(raw)
except ValueError:
    print("Please type a whole number, not", repr(raw))

Please type a whole number, not 'abc'

items = [("Wireless Mouse", 1, 799), ("Gel Pens", 3, 149),
         ("Water Bottle", 1, 399)]

print(f"{'item':<16}{'qty':>4}{'amount':>10}")
print("-" * 30)
total = 0
for name, qty, price in items:
    line = qty * price
    total += line
    print(f"{name:<16}{qty:>4}{line:>10,.2f}")
print("-" * 30)
print(f"{'total':<16}{'':>4}{total:>10,.2f}")

item             qty    amount
------------------------------
Wireless Mouse     1    799.00
Gel Pens           3    447.00
Water Bottle       1    399.00
------------------------------
total                 1,645.00