itermonthdays4() to get an iterator of tuples having day , month,year and week day using calendar

Calendar Module

`month`	Month number for which dates are required
`year`	Year number for which dates are required

itermonthdays4() : Returns an Iterator of tuples having day , month year and week day for the month.

Week day number starts from 0 as Monday , 1 as Tuesday and ends at 6 as Sunday.

Note that tuple will be returned per the days for the week starting from Previous month and for days for the week extended up to next month.
Year is our first or 0^th element of the tuple. Month is the second element and day is the third element of the tuples. Week day is 4^th element of the tuple

import calendar
my_cal= calendar.Calendar()
for x in my_cal.itermonthdays4(2020,7):
	print(x)

Output

(2020, 6, 29, 0)
(2020, 6, 30, 1)
(2020, 7, 1, 2)
(2020, 7, 2, 3)
(2020, 7, 3, 4)
(2020, 7, 4, 5)
---------------
---------------
(2020, 7, 26, 6)
(2020, 7, 27, 0)
(2020, 7, 28, 1)
(2020, 7, 29, 2)
(2020, 7, 30, 3)
(2020, 7, 31, 4)
(2020, 8, 1, 5)
(2020, 8, 2, 6)

By updating the first day of the week we can get different elements of the iterator.

import calendar
my_cal= calendar.Calendar(firstweekday=3)
for x in my_cal.itermonthdays4(2020,7):
	print(x)

Output

(2020, 6, 25, 3)
(2020, 6, 26, 4)
(2020, 6, 27, 5)
(2020, 6, 28, 6)
(2020, 6, 29, 0)
(2020, 6, 30, 1)
(2020, 7, 1, 2)
(2020, 7, 2, 3)
(2020, 7, 3, 4)
---------------
---------------
(2020, 7, 30, 3)
(2020, 7, 31, 4)
(2020, 8, 1, 5)
(2020, 8, 2, 6)
(2020, 8, 3, 0)
(2020, 8, 4, 1)
(2020, 8, 5, 2)

As we are getting tuple as output, we can get first element as year , 2^nd as month and 3^rd as day the month. 4^th element is week day in number

import calendar
my_cal= calendar.Calendar(firstweekday=3)
for x in my_cal.itermonthdays4(2020,7):
	print('Year:',x[0],', Month : ',x[1],', Day : ',x[2],', Week Day : ',x[3])

Output

Year: 2020 , Month :  6 , Day :  25 Week Day :  3
Year: 2020 , Month :  6 , Day :  26 Week Day :  4
Year: 2020 , Month :  6 , Day :  27 Week Day :  5
Year: 2020 , Month :  6 , Day :  28 Week Day :  6
Year: 2020 , Month :  6 , Day :  29 Week Day :  0
Year: 2020 , Month :  6 , Day :  30 Week Day :  1
Year: 2020 , Month :  7 , Day :  1 Week Day :  2
-------------------------------------------------
-------------------------------------------------
-------------------------------------------------
Year: 2020 , Month :  7 , Day :  29 Week Day :  2
Year: 2020 , Month :  7 , Day :  30 Week Day :  3
Year: 2020 , Month :  7 , Day :  31 Week Day :  4
Year: 2020 , Month :  8 , Day :  1 Week Day :  5
Year: 2020 , Month :  8 , Day :  2 Week Day :  6
Year: 2020 , Month :  8 , Day :  3 Week Day :  0
Year: 2020 , Month :  8 , Day :  4 Week Day :  1
Year: 2020 , Month :  8 , Day :  5 Week Day :  2

Calendar Module in Python itermonthdays() itermonthdays2() itermonthdays3()

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