input question: Fix spacing: German,prostitute,oldman,money,hooker,oldandyoung(18+)

output answer: German, prostitute, old man, money, hooker, old and young (18+)


input question: Fix spacing: Tip:IncorrectWILfileassociationerrorscanbeasymptomofotherunderlyingissueswithinyourWindowsoperatingsystem.

output answer: Tip: Incorrect WIL file association errors can be a symptom of other underlying issues within your Windows operating system.


input question: Fix spacing: Diagnosisandtestingtheelasticityofthehair:pre-dandruffshampoo.

output answer: Diagnosis and testing the elasticity of the hair : pre- dandruff shampoo.


input question: Fix spacing: Thisisalsocalledtheprincipalquantumnumberfortheelectron.

output answer:
This is also called the principal quantum number for the electron.