# -*- coding: utf-8 -*-
x = 'информатика' #а
word1 = x[2:7]
word2 = x[7:10]
print(word1 word2)

c = 'муха' #б
print(c.replace('муха', 'слон'))

v = 'вебинариум' #в
word1 = v[-2]
f = v[0:2]
c = v[5:7]
C = c[::-1]
M = f+C
word2 = M
print(word1 word2)