import?time
#time
a=time.time()???????????#total?seconds?since?epoch
print("Seconds?since?epoch?:",a,end='n----------n')
#ctime
print("Current?date?and?time:")
print(time.ctime(a),end='n----------n')?
#sleep
time.sleep(1)?????#execution?will?be?delayed?by?one?second
#localtime
print("Local?time?:")
print(time.localtime(a),end='n----------n')
#gmtime
print("Local?time?in?UTC?format?:")
print(time.gmtime(a),end='n-----------n')
#mktime
b=(2019,8,6,10,40,34,1,218,0)
print("Current?Time?in?seconds?:")
print(?time.mktime(b),end='n----------n')
#asctime
print("Current?Time?in?local?format?:")
print(?time.asctime(b),end='n----------n')
#strftime
c?=?time.localtime()?#?get?struct_time
d?=?time.strftime("%m/%d/%Y,?%H:%M:%S",?c)
print("String?representing?date?and?time:")
print(d,end='n----------n')
#strptime
print("time.strptime?parses?string?and?returns?it?in?struct_time?format?:n")
e?=?"06?AUGUST,?2019"
f?=?time.strptime(e,?"%d?%B,?%Y")
print(f)

import?datetime
#datetime?constructor
print("Datetime?constructor:n")
print(datetime.datetime(2019,5,3,8,45,30,234),end='n----------n')
?
#today
print("The?current?date?and?time?using?today?:n")
print(datetime.datetime.today(),end='n----------n')
?
#now
print("The?current?date?and?time?using?today?:n")
print(datetime.datetime.now(),end='n----------n')
?
#date
print("Setting?date?:n")
print(datetime.date(2019,11,7),end='n----------n')
??
#time
print("Setting?time?:n")
print(datetime.time(6,30,23),end='n----------n')
?
#date.fromtimestamp
print("Converting?seconds?to?date?and?time:n")
print(datetime.date.fromtimestamp(23456789),end='n----------n')
?
#timedelta
b1=datetime.timedelta(days=30,?seconds=0,?microseconds=0,?milliseconds=0,?minutes=0,?hours=4,?weeks=8)
b2=datetime.timedelta(days=3,?seconds=0,?microseconds=0,?milliseconds=0,?minutes=0,?hours=4,?weeks=8)
b3=b2-b1
print(type(b3))
print("The?resultant?duration?=?",b3,end='n----------n')
?
#attributes
a=datetime.datetime.now()???#1
print(a)
print("The?year?is?:",a.year)
?
print("Hours?:",a.hour)