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I want to upgrade my python version 2.7 on ubuntu 14.04 to 3.7 If i run sudo apt-get update, a lot of error message will be displayed. i had tried a lot of of suggestions but none work. Can someone help me out please.

Here are the errors i got: 

Failed to fetch http://archive.ubuntu.com/ubuntu/dists/trusty/Release  Unable to find expected entry 'restricted/source/Sources' in Release file (Wrong sources.list entry or malformed file)

E: Some index files failed to download. They have been ignored, or old ones used instead
mchid
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Michael Gregory
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1 Answers1

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Ubuntu 14.04 is already end of life ...

Please also note that both Python2 and 3 are installed on at least 16.04 and onward; 

$ python --version
Python 2.7.12

$ python3 --version
Python 3.5.2

Also notable is that important parts of Ubuntu support software depends on at least Python 2.x - therefore, for a beginner, an upgrade of python2 is likely to be a horrendous task.

Some software are better left to be upgraded at/in/with OS upgrades only.

Hannu
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