Eric Raymond says it best:
Perl code is just a mess when you look later at it, it is hard to know what you did there, unless you are one heck of a master programmer that does nothing else in life. For me this is a question of new against old. Perl is the old, Python is the new. I am amazed of how easy Python code is to read and I am strictly not a programmer, have never been good at it, but with Python I am writing code and even build GUIs that work. The time effort required is also ok. I did not think such a thing would be possible, after looking at Java, VisualBasic, bash scripting, C and Perl, that Python could be so different, but it is. Things might be different if you are highly invested in Perl, but as a newby that did not know neither Perl or Python, Python is definitely the better choice. I applaud that Google chose Python, as many companies have a Perl only policy and for me this is a little “we have always used it and will always use it”, so tradition against new stuff.
And Perl can become a huge nightmare, especially for larger projects, when Spaghetti code tries to strangle you.

This is like asking in what language can you write the most beautiful love letters, in English, German or Spanish ?

Particular applications will come out faster or better if they have had better versions available at the start time.

I believe the human kind should work more on sharing the good ideas and methods and less in comparing which method is better.