import time 
def timenows():
    while True:
        z = 0
        a = 0
        b = 0
        c = 0
        d = 0
        mssec = 999 + 999*60 + 999*3600 + 999*216000
        for i in range(mssec):
           # time.sleep(0.01)
            a += 1
            #print('Прошло',a ,'Секунд',b,'минут', c, 'часов')
            print(d, 'fms:', z, 'hr |', c, 'min |', b,' sec |',a ,'ms' )
            if z / 60 ==1:
                z +=1
            if a / 60 == 1:
                b += 1
                a = 0
            if b / 60 == 1:
                c += 1
                b = 0
                d += 1
            if c / 60 == 1:
                d += 1
            d += 1
            #timek = d + ' fms: ' + z + ' hr | ' + c + ' min | ' + b + ' sec | ' + a + ' ms' 
            #return timek
timenows()

  
import time 
def timenows():
    while True:
        z = 0
        a = 0
        b = 0
        c = 0
        d = 0
        mssec = 999 + 999*60 + 999*3600 + 999*216000
        for i in range(mssec):
           # time.sleep(0.01)
            a += 1
            #print('Прошло',a ,'Секунд',b,'минут', c, 'часов')
            print(d, 'fms:', z, 'hr |', c, 'min |', b,' sec |',a ,'ms' )
            if z / 60 ==1:
                z +=1
            if a / 60 == 1:
                b += 1
                a = 0
            if b / 60 == 1:
                c += 1
                b = 0
                d += 1
            if c / 60 == 1:
                z +=1
                c = 0
                d += 1
            d += 1
            #timek = d + ' fms: ' + z + ' hr | ' + c + ' min | ' + b + ' sec | ' + a + ' ms' 
            #return timek
timenows()

 from datetime import time
import datetime
time(hour=12, minute=34, second=56, microsecond=123456).isoformat(timespec='minutes')
'12:34'
dt = time(hour=0, minute=0, second=0, microsecond=0)
dt.isoformat(timespec='microseconds')
dt.isoformat(timespec='auto')
print(dt)

  
def increment_time(timestr):
    pass

 from threading import Timer
import datetime as dt
from datetime import datetime
x=2
now = datetime.now()
_now = now - now 
def timenows():
    global _now
    if x==1:
        now = datetime.now() # current date and time
        texttime = now.strftime("%H:%M:%S")
        timer = Timer(1, timenows)
        timer.start()
        print(texttime)
        return texttime
    else:
        if x==2:
            _in_1_sec = _now + dt.timedelta(seconds=1)
            _now = _in_1_sec 
            timer = Timer(1, timenows)
            timer.start()
            print(_in_1_sec)
            return _in_1_sec
timenows()

 from threading import Timer
import datetime as dt
from datetime import datetime
x=2
now = datetime.now()
_now = now - now 
def timenows():
    global _now
    if x==1:
        now = datetime.now() # current date and time
        texttime = now.strftime("%H:%M:%S")
        timer = Timer(1, timenows)
        timer.start()
        print(texttime)
        return texttime
    else:
        if x==2:
            _in_1_sec = _now + dt.timedelta(seconds=1)
            _now = _in_1_sec 
            timer = Timer(1, timenows)
            timer.start()
            print(_in_1_sec)
            return _in_1_sec
timenows()