Remove ipynb outputs

[chvmvd]

• Add scripts executing notebooks
• Delete output from hello-world.ipynb
• Fix typo
• Fix action error
• Fix action error
• Fix action error
• Fix action error
• Fix action error
• Fix action error
• Remove ouputs in hello-world/
• Remove ouputs in expressions/
• Remove outputs in variable/
• Remove outputs in function/
• Remove outputs in library/
• Remove outputs in pip/
• Remove outputs in for/
• Remove outputs in array/
• Remove outputs in multi-array/
• Remove outputs in if/
• Remove outputs in practice/
• Remove outputs in life-game/
• Remove outputs in image/
• Remove outputs in simulation/
• Remove outputs in recursion/
• Remove outputs in monte-carlo/
• Remove outputs in search/
• Remove outputs in sort/
• Remove outputs in error/
• Remove outputs in gaussian-elimination/
• Remove outputs in dp/