a = 'abc'
b = b'defgh'
c = 'abcdefghijklmnopqrstuvwxyz'

print(111)
print(len(a))
print(type(a))
print(len(b))
print(type(b))
print(len(c))
print(type(c))

print(112)
print(a)
print(b)
print(c)

print(113)
print(bytes(15))

print(114)
print(bytes(a))
print(bytes(b))
print(bytes(c))

print(115)
print(a[1])
print(b[2])
print(c[3])

print(116)
for i in a:
    print(i)

print(117)
for i in b:
    print(i)

print(118,b'.\t.\r.\n')
