Proposing a PR to fix a few small typos

[timgates42]

Issue Type

[x] Bug (Typo)

Steps to Replicate and Expected Behaviour

• Examine Solutions/Module14FileMissingErrorChallengeSolution.py, Solutions/Module15ProblemToCodeSolutionReadTxtMessage.py and observe succesfully, however expect to see successfully.
• Examine Solutions/Module12ReadCSVfileChallenge.py and observe indivudal, however expect to see individual.
• Examine Solutions/Module14FileMissingErrorChallengeSolution.py and observe coorupte, however expect to see corrupted.
• Examine Solutions/Module15ProblemToCodeSolutionReadTxtMessage.py and observe concatentate, however expect to see concatenate.

Notes

Semi-automated issue generated by
https://github.com/timgates42/meticulous/blob/master/docs/NOTE.md

To avoid wasting CI processing resources a branch with the fix has been
prepared but a pull request has not yet been created. A pull request fixing
the issue can be prepared from the link below, feel free to create it or
request @timgates42 create the PR.

https://github.com/timgates42/Introduction-Programming-Python/pull/new/bugfix_typos

Thanks.