import binascii
# 字符串转为 bytes
emp = "So Amazing" # string
b_emp = emp.encode("utf-8") # string to bytes
# bytes 转换为 hex string
hexstr_emp = b_emp.hex() # bytes to hex string
b_hexstr_emp = binascii.hexlify(b_emp) # bytes to hex string bytes
hexstr_emp = b_hexstr_emp.decode("utf-8") # decode hex string bytes to hex string
# hex string 转换为 bytes
b_emp = bytes.fromhex(hexstr_emp) # hex string to string bytes
b_emp = binascii.unhexlify(hexstr_emp) # hex string to string bytes
# bytes 转换为 string
emp = b_emp.decode() # decode string bytes to string