№9 | Задание №24, Строки - Задание №6

f = open("24.txt")
s = f.readline()
symbols_str = ""
for i in range(len(s)-2):
    if s[i] == "A" and s[i+2] == s[i]:
        symbols_str += s[i+1]
c = 0
c_max = 0
s_max = ""
for k in range(55, 122):
    c = symbols_str.count(chr(k))
    if c > c_max:
        c_max = c
        s_max = chr(k)
print("{}{}\n{}".format(s_max, c_max, chr(128522)))