没有名为Crypto的模块；无效的语法pip安装

Question

我一直在尝试创建已签名的Urls，以创建允许用户访问Google存储桶中数据的路径。我正在尝试构建一个存储传输系统。当我在Python中运行代码时，我总是遇到错误。我已经查看并尝试了所有用于安装cryptlib的选项，但遇到语法错误...请帮助我

>>> import time
>>> import urllib
>>> from datetime import datetime, timedelta
>>> import os
>>> import base64
>>> import crypto
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'crypto'
>>> import sys
>>> import crypto
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'crypto'
>>> pip uninstall pycrypto
  File "<stdin>", line 1
    pip uninstall pycrypto
                ^
SyntaxError: invalid syntax
>>> pip install pycryptodomex
  File "<stdin>", line 1
    pip install pycryptodomex
              ^
SyntaxError: invalid syntax
>>> install pycryptodomex
  File "<stdin>", line 1
    install pycryptodomex
                        ^
SyntaxError: invalid syntax
>>> from OpenSSL import crypto
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'OpenSSL'
>>> from Crypto.Hash import SHA256
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
ModuleNotFoundError: No module named 'Crypto'
>>>