[Project Euler] Fix code style in Problem 55 (#2985)
[Project Euler] Fix code style in Problem 55 (#2985)

* fix code style and update problem description with link

Signed-off-by: joan.rosellr <53c724acceae751164323b971cc7584fcf544482@gmail.com>

* Update sol1.py

Co-authored-by: Dhruv <482973f2a44b929137ace410c8397045079496c1@gmail.com>
TheAlgorithms/Python