python 3 numbers of a range is even

1lst = []
2
3for i in range(1000,3001):
4    flag = 1
5    for j in str(i):          # every integer number i is converted into string
6        if ord(j)%2 != 0:     # ord returns ASCII value and j is every digit of i
7            flag = 0          # flag becomes zero if any odd digit found
8    if flag == 1:
9        lst.append(str(i))    # i is stored in list as string
10
11print(",".join(lst))

1def check(element):
2    return all(ord(i)%2 == 0 for i in element)  # all returns True if all digits i is even in element
3
4lst = [str(i) for i in range(1000,3001)]        # creates list of all given numbers with string data type
5lst = list(filter(check,lst))                   # filter removes element from list if check condition fails
6print(",".join(lst))