date.py

from datetime import date, timedelta

print("enter date in this fromat year month date[yyyy mm dd]")
sdate = input("enter start date: ")

edate = input("enter end date: ")
print(
    "enter exact this words for weekday sunday monday tuesday wednesday thursday friday saturday"
)
weekday = input("enter weekday: ")
# weekday = "sunday"

yyyy, mm, dd = sdate.split()
eyyyy, emm, edd = edate.split()

sdate = date(int(yyyy), int(mm), int(dd))  # start date
edate = date(int(eyyyy), int(emm), int(edd))  # end date

# sdate = date(2020, 9, 12)  # start date
# edate = date(2020, 9, 13)  # end date

delta = edate - sdate  # as timedelta
for i in range(delta.days + 1):
    d = {
        0: "monday",
        1: "tuesday",
        2: "wednesday",
        3: "thursday",
        4: "friday",
        5: "saturday",
        6: "sunday",
    }

    if weekday == d.get(day.weekday()):
        day = sdate + timedelta(days=i)
        print(day)