python string to bytes
s = 'abc'
# string to bytes using bytes()
b = bytes(s, encoding='utf-8')
print(type(b)) # <class 'bytes'>
print(b) # b'abc'
# bytes to string using decode()
s = b.decode()
print('Original String =', s) # Original String = abc
s = 'xyz'
# string to bytes using encode()
b = s.encode(encoding='utf-8')
print(b) # b'xyz'
s = b.decode()
print('Original String =', s) # Original String = xyz