Newer
Older
n = int(input())
strings = []
for _ in range(n):
buff = input().split("&")
strings.append([int(buff[0]), int(buff[1]), "&".join(buff[2:])])
for elem in strings:
s = ""
a, b, string = elem
for i in range(a, len(string), 2):
s += string[i]
s = s[:b]
print(s)