Question

Помогите перевести с Pascal на Python
var s,s1:string;
i:integer;
begin
readln(s);
s1:=s;
for i:=1 to length(s1) do begin
if s1[i]='а' then s1[i]:='б' else
if s1[i]='А' then s1[i]:='Б' else
if s1[i]='б' then s1[i]:='а' else
if s1[i]='Б' then s1[i]:='А';
end;
writeln(s1);end.

Answer 1

s=input()
s1=""
for i in range(0,len(s)):
    if s[i]=="а":
        s1=s1+"б"
    elif s[i]=="А":
        s1=s1+"Б"
    elif s[i]=="б":
        s1=s1+"а"
    elif s[i]=="Б":
        s1=s1+"А"
    else:
        s1=s1+s[i]
print(s1)

Answer 2

Весьма признателен!