python how to make a stopwatch

import time
import sys

time_start = time.time()
seconds = 0
minutes = 0

while True:
    try:
        sys.stdout.write("\r{minutes} Minutes {seconds} Seconds".format(minutes=minutes, seconds=seconds))
        sys.stdout.flush()
        time.sleep(1)
        seconds = int(time.time() - time_start) - minutes * 60
        if seconds >= 60:
            minutes += 1
            seconds = 0
    except KeyboardInterrupt as e:
        break

import time

now = time.time()
future = now + 10
while time.time() < future:
    # do stuff
    pass

# Create a stopwatch

# Import a module called as time

import time

# create all the variables

day = 0
hour = 0
min = 0
sec = 0

# Display the headings

print("D - H - M - S")
print()

# Create an infinite loop

while True:

    # Create the main part of the stopwatch

    time.sleep(1)

    if sec == 59:
       sec = -1
       min = min + 1

    sec = sec + 1
    if min == 60:
        min = 0
        hour = hour + 1

    if hour == 24:
        hour = 0
        day = day + 1
    print(day, "-", hour, "-", min, "-", sec)