create possible numbers from list in python

Question

I want to create possible list of numbers from given list. For ex.

a = [5, 9]

should result in 59, 95.

How do I do it in python. Please note contents of list a could be variable.

Thanks in advance

It's not clear what your requirements are. Some more examples, or a fuller description of what you mean by "possible list of numbers" would help. E.g., what's the expected output if a = [5, 5]? What if a = [1, 2, 3]? What if a = [10, 11, 12]? — Mark Dickinson
– Mark Dickinson, Commented Sep 2, 2018 at 18:44

Khalil Al Hooti · Accepted Answer · 2018-09-02 19:29:26Z

1

This might be helpful.

import itertools

a = [5,9]
a = "".join(str(i) for i in a)


x = list(itertools.permutations(a))
x = ["".join(tupl) for tupl in x]
print(x)

['59', '95']

answered Sep 2, 2018 at 19:29

Khalil Al Hooti

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4 Comments

Schalton Over a year ago

Minor correction x = ["".join(tupl) for tupl in x] should be x = [int("".join(tupl)) for tupl in x] since he is asking for numbers

Vijay Gharge Over a year ago

@khalil : Just perfect ! One more query - which exact study material of python would help me to learn/understand this ?

Khalil Al Hooti Over a year ago

@VijayGharge I found this site quite usefull python-course.eu/python3_course.php. However, the best way to learn a programming language is get yourself involved in a real project in which you implement the language principles. Python is one of most popular programming language since it can be used in many different disciplines. Myself, I am a scientist who does not bother much about web development frameworks as much as scientific packages like numpy, scipy, etc, available in Python. So, learn what is more relevant to your field of study or job requirement. Good luck.

Vijay Gharge Over a year ago

Thanks alot for advise

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