weekdays=['sun','mon','tue','wed','thu','fri','sat']
day1=''
while day1 not in weekdays:
    day1=input('day name for first day of year (valid input from ... sun, mon, tue, wed, thu, fri, sat):')
    if day1 not in weekdays: print('invalid entry .. try again')
pos=weekdays.index(day1)
desired = '0'
while int(desired) not in range(2,365):
    desired = input('day of year please:(valid entry ... 2 to 365):')
    if int(desired) not in range(2,365): print('invalid entry .. try again')
weekdays = weekdays[pos:] + weekdays[:pos]
print('day ' + desired + ' is:' + str(weekdays[int(desired)%7]))

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

ZGV3CndlZAozNDU=

dew
wed
345