I cant seem to be able to remove the numbers please help

Question

Spy life

Answer 1

* You didn't save the `join` result into any variable.

* `isalnum` filters alphanumeric characters, digits included.

Answer 2

Thanks

Answer 3

string = input()
''.join(e for e in string if e.isalnum())
str1 = string[::-1]
print(str1)