:/opt/python# python3 install_python.py?

請(qǐng)輸入你想安裝的python版本(2.7-3.5)3.5

--2022-08-21 22:47:03--? https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tgz

正在解析主機(jī) www.python.org (www.python.org)... 151.101.108.223, 2a04:4e42:1a::223

正在連接 www.python.org (www.python.org)|151.101.108.223|:443... 已連接。

已發(fā)出 HTTP 請(qǐng)求，正在等待回應(yīng)... 200 OK

長(zhǎng)度： 20566643 (20M) [application/octet-stream]

正在保存至: “Python-3.5.2.tgz”

Python-3.5.2.tgz? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?100%[==============================================================================================================>]? 19.61M? 6.14MB/s? ? 用時(shí) 3.2s??

2022-08-21 22:47:08 (6.14 MB/s) - 已保存 “Python-3.5.2.tgz” [20566643/20566643])

Traceback (most recent call last):

? File "install_python.py", line 32, in <module>

? ? package_name == "Python-3.5.2"

NameError: name 'package_name' is not defined