我安装了 Python 2.7，想升级到 Python 3。我运行了sudo apt-get update && sudo apt-get upgrade然后sudo apt-get install python 3.33。但是，我收到以下错误：
Reading package lists... Done
Building dependency tree
Reading state information... Done
Note, selecting 'libghc-abstract-par-dev-0.3.3-3512c:i386' for regex '3.3.3'
Note, selecting 'libgolang-gopkg-inconshreveable-log15.v2-1-e13295a893e12a6ed7d17ea32997530d737393ec' for regex '3.3.3'
Note, selecting 'libghc-http-streams-dev-0.8.3.3-31b05' for regex '3.3.3'
Note, selecting 'libghc-http-streams-prof-0.8.3.3-31b05' for regex '3.3.3'
Note, selecting 'liblttoolbox3-3.3-0' for regex '3.3.3'
Note, selecting 'liblttoolbox3-3.3-0v5' for regex '3.3.3'
Note, selecting 'libghc-abstract-par-prof-0.3.3-3512c:i386' for regex '3.3.3'
Note, selecting 'bve-train-br-class-323-3dcab' for regex '3.3.3'
Note, selecting 'libgolang-github-olekukonko-tablewriter1-47572dd4d99fd6673f303c8825b067cd96b5171b:i386' for regex '3.3.3'
Note, selecting 'libghc-hspec-dev-2.2.3-393ec' for regex '3.3.3'
Note, selecting 'libghc-hspec-prof-2.2.3-393ec' for regex '3.3.3'
Note, selecting 'libgolang-gopkg-inconshreveable-log15.v2-1' instead of 'libgolang-gopkg-inconshreveable-log15.v2-1-e13295a893e12a6ed7d17ea32997530d737393ec'
Note, selecting 'libgolang-github-olekukonko-tablewriter1:i386' instead of 'libgolang-github-olekukonko-tablewriter1-47572dd4d99fd6673f303c8825b067cd96b5171b:i386'
Note, selecting 'libghc-http-streams-dev' instead of 'libghc-http-streams-dev-0.8.3.3-31b05'
Note, selecting 'libghc-http-streams-prof' instead of 'libghc-http-streams-prof-0.8.3.3-31b05'
Note, selecting 'libghc-hspec-dev' instead of 'libghc-hspec-dev-2.2.3-393ec'
Note, selecting 'libghc-hspec-prof' instead of 'libghc-hspec-prof-2.2.3-393ec'
Note, selecting 'libghc-abstract-par-dev:i386' instead of 'libghc-abstract-par-dev-0.3.3-3512c:i386'
Note, selecting 'libghc-abstract-par-prof:i386' instead of 'libghc-abstract-par-prof-0.3.3-3512c:i386'
python is already the newest version (2.7.11-2).
python set to manually installed.
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:
The following packages have unmet dependencies:
libghc-abstract-par-dev:i386 : Depends: libghc-base-dev-4.8.2.0-a3ce8:i386
Depends: libghc-deepseq-dev-1.4.1.1-d8d3c:i386
libghc-abstract-par-prof:i386 : Depends: libghc-base-prof-4.8.2.0-a3ce8:i386
Depends: libghc-deepseq-prof-1.4.1.1-d8d3c:i386
libghc-hspec-dev : Depends: libghc-hunit-dev-1.3.1.1-9ae4c
Depends: libghc-quickcheck-dev-2.8.2-c0e1f
Depends: libghc-base-dev-4.8.2.0-0d6d1
Depends: libghc-hspec-core-dev-2.2.3-f8063
Depends: libghc-hspec-expectations-dev-0.7.2-3fed3
Depends: libghc-transformers-dev-0.4.2.0-81450
libghc-hspec-prof : Depends: libghc-hunit-prof-1.3.1.1-9ae4c
Depends: libghc-quickcheck-prof-2.8.2-c0e1f
Depends: libghc-base-prof-4.8.2.0-0d6d1
Depends: libghc-hspec-core-prof-2.2.3-f8063
Depends: libghc-hspec-expectations-prof-0.7.2-3fed3
Depends: libghc-transformers-prof-0.4.2.0-81450
libghc-http-streams-dev : Depends: libghc-hsopenssl-dev-0.11.1.1-91ed0
Depends: libghc-aeson-dev-0.11.2.1-f3d34
Depends: libghc-attoparsec-dev-0.13.0.2-bf2aa
Depends: libghc-base-dev-4.8.2.0-0d6d1
Depends: libghc-base64-bytestring-dev-1.0.0.1-a812c
Depends: libghc-blaze-builder-dev-0.4.0.2-efcd4
Depends: libghc-bytestring-dev-0.10.6.0-9a873
Depends: libghc-case-insensitive-dev-1.2.0.7-78ae3
Depends: libghc-directory-dev-1.2.2.0-660a7
Depends: libghc-http-common-dev-0.8.2.0-e5706
Depends: libghc-io-streams-dev-1.3.5.0-64cb4
Depends: libghc-mtl-dev-2.2.1-3af90
Depends: libghc-network-dev-2.6.3.1-1a316
Depends: libghc-network-uri-dev-2.6.1.0-247a0
Depends: libghc-openssl-streams-dev-1.2.1.0-c6b18
Depends: libghc-text-dev-1.2.2.1-f5b16
Depends: libghc-transformers-dev-0.4.2.0-81450
Depends: libghc-unordered-containers-dev-0.2.7.1-da668
libghc-http-streams-prof : Depends: libghc-hsopenssl-prof-0.11.1.1-91ed0
Depends: libghc-aeson-prof-0.11.2.1-f3d34
Depends: libghc-attoparsec-prof-0.13.0.2-bf2aa
Depends: libghc-base-prof-4.8.2.0-0d6d1
Depends: libghc-base64-bytestring-prof-1.0.0.1-a812c
Depends: libghc-blaze-builder-prof-0.4.0.2-efcd4
Depends: libghc-bytestring-prof-0.10.6.0-9a873
Depends: libghc-case-insensitive-prof-1.2.0.7-78ae3
Depends: libghc-directory-prof-1.2.2.0-660a7
Depends: libghc-http-common-prof-0.8.2.0-e5706
Depends: libghc-io-streams-prof-1.3.5.0-64cb4
Depends: libghc-mtl-prof-2.2.1-3af90
Depends: libghc-network-prof-2.6.3.1-1a316
Depends: libghc-network-uri-prof-2.6.1.0-247a0
Depends: libghc-openssl-streams-prof-1.2.1.0-c6b18
Depends: libghc-text-prof-1.2.2.1-f5b16
Depends: libghc-transformers-prof-0.4.2.0-81450
Depends: libghc-unordered-containers-prof-0.2.7.1-da668
libgolang-github-olekukonko-tablewriter1:i386 : Depends: libgolang-1.6-std1-c60847a6bb7f126f07e6a74f03d02623085c60a7:i386
E: Unable to correct problems, you have held broken packages.
另一个我不清楚的问题是，消息中间显示“python 已经是最新版本 (2.7.11-2)”。我试图了解 libgolang 是什么，以便手动安装它，但找不到任何相关信息。
谢谢，
答案1
请不要更新，因为您python 3的 Ubuntu 中已经预装了。要检查，请执行以下操作：
Python 3：python3 -V，Python 2：。python -V这些是 Ubuntu 安装附带的默认 Python 安装。
请享受他们的存在。