added exercises 2 and 3

...kpoints/Exercise_MLPR2024_Part3_template-checkpoint.ipynb

...kpoints/Exercise_MLPR2024_part1_template-checkpoint.ipynb

...kpoints/Exercise_MLPR2024_part2_template-checkpoint.ipynb

...ognition/notebooks/Exercise_MLPR2024_Part3_template.ipynb

...ognition/notebooks/Exercise_MLPR2024_part1_template.ipynb

...ognition/notebooks/Exercise_MLPR2024_part2_template.ipynb

statistical/5/.ipynb_checkpoints/Topic5-checkpoint.ipynb

statistical/5/Topic5.ipynb

statistical/6/6.ipynb