Answer 1

Please, Before asking a question on the Q/A, try to 🔍SEARCH. . .  to avoid from posting duplicate threads!
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https://code.sololearn.com/W26q4WtwSP8W/?ref=app
https://code.sololearn.com/WvG0MJq2dQ6y/
https://www.sololearn.com/Discuss/1013677/?ref=app
https://www.sololearn.com/Discuss/253502/?ref=app
https://www.sololearn.com/Discuss/1520305/?ref=app

Answer 2

every language is best but u have fully command on it then u get better results

Answer 3

There are not best or worse language, C++ is harder but powerful
Java is like... Normal
Python is easy and an alternative to scratch (the dev language for kids)