# your code goes here
lines=["-> 1234567 :\ ","-> 3212423 [Channel]"]
data=[]
for line in lines:
if line.startswith('->'):
start = '-> '
end = ':\ '
end1 = ' [Channel]'
x=line.strip(start)
x=x.strip(end)
x=x.strip(end1)
data.append(x)
print(data)
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCmxpbmVzPVsiLT4gMTIzNDU2NyA6XCAiLCItPiAzMjEyNDIzIFtDaGFubmVsXSJdCmRhdGE9W10KZm9yIGxpbmUgaW4gbGluZXM6CglpZiBsaW5lLnN0YXJ0c3dpdGgoJy0+Jyk6CgkJc3RhcnQgPSAnLT4gJyAgCgkJZW5kID0gJzpcICcKCQllbmQxID0gJyBbQ2hhbm5lbF0nIAoJCXg9bGluZS5zdHJpcChzdGFydCkKCQl4PXguc3RyaXAoZW5kKQoJCXg9eC5zdHJpcChlbmQxKQoJCWRhdGEuYXBwZW5kKHgpCnByaW50KGRhdGEp