0          0       RESUME                   0

  1          2       LOAD_CONST               0 (0)
             4       LOAD_CONST               1 (None)
             6       IMPORT_NAME              0 (sys)
             8       STORE_NAME               0 (sys)
            10       LOAD_CONST               0 (0)
            12       LOAD_CONST               1 (None)
            14       IMPORT_NAME              1 (base64)
            16       STORE_NAME               1 (base64)

  2         18       LOAD_NAME                2 (len)
            20       LOAD_NAME                1 (base64)
            22       LOAD_ATTR                6 (z85encode)
            42       PUSH_NULL
            44       LOAD_NAME                0 (sys)
            46       LOAD_ATTR                8 (stdin)
            66       LOAD_ATTR               10 (buffer)
            86       LOAD_ATTR               13 (read + NULL|self)
           106       CALL                     0
           114       LOAD_ATTR               15 (strip + NULL|self)
           134       CALL                     0
           142       CALL                     1
           150       LOAD_NAME                8 (bytes)
           152       PUSH_NULL
           154       CALL                     0
           162       SWAP                     3
           164       STORE_NAME               9 (s)
           166       STORE_NAME              10 (e)
           168       STORE_NAME              11 (a)

  3        170       LOAD_NAME                9 (s)
           172       PUSH_NULL
           174       LOAD_CONST               2 ('sea')
           176       CALL                     1
           184       STORE_NAME              12 (x)

  4        186       LOAD_NAME               10 (e)
           188       GET_ITER
      L1:  190       FOR_ITER                30 (to L2)
           194       STORE_NAME              13 (c)

  5        196       LOAD_NAME               11 (a)
           198       LOAD_NAME                8 (bytes)
           200       PUSH_NULL
           202       LOAD_NAME               13 (c)
           204       LOAD_CONST               3 (1)
           206       LOAD_NAME                9 (s)
           208       PUSH_NULL
           210       LOAD_NAME               11 (a)
           212       CALL                     1
           220       LOAD_NAME               12 (x)
           222       BINARY_OP                6 (%)
           226       BINARY_OP                0 (+)
           230       BINARY_OP               12 (^)
           234       BUILD_LIST               1
           236       CALL                     1
           244       BINARY_OP               13 (+=)
           248       STORE_NAME              11 (a)
           250       JUMP_BACKWARD           32 (to L1)

  4   L2:  254       END_FOR
           256       POP_TOP

  6        258       LOAD_NAME                0 (sys)
           260       LOAD_ATTR               28 (stdout)
           280       LOAD_ATTR               10 (buffer)
           300       LOAD_ATTR               31 (write + NULL|self)
           320       LOAD_NAME                1 (base64)
           322       LOAD_ATTR               32 (b64encode)
           342       PUSH_NULL
           344       LOAD_NAME               11 (a)
           346       CALL                     1
           354       LOAD_CONST               4 (b'\n')
           356       BINARY_OP                0 (+)
           360       CALL                     1
           368       POP_TOP
           370       RETURN_CONST             1 (None)


how to decrypt this by looking above how it was encrypted:

d0IgcmRqNDJzN2QsaENJaTowO390WkA3VXVNUTZnaS9qdzFkKn8wRmVLLHQ2aSMyWzNkSVE6XGpnWThWZj9NcjBkSGd2JXVrdyxiZyM9VidkSUJGNEdm