Problem: Add spaces: Andthensastauttheywherehorrible.

Spaces added: And then sastaut they where horrible.
This text is missing some spaces, please add them: Pleaseenteryourlogindataintothefieldsbelowtograntaccesstotheprotectedareaofthewebsite.
Please enter your login data into the fields below to grant access to the protected area of the website.
input question: Fix spacing: Morningtemperatureswillbearound18C.Duringthedaytheywillreachamaximumof28C.Lowtemperaturesatnightwillbearound17C.Northerlywindsareweak.

output answer: Morning temperatures will be around 18 C. During the day they will reach a maximum of 28 C. Low temperatures at night will be around 17C. Northerly winds are weak.
Problem: Inplantsthesamegradualprocessofimprovement,throughtheoccasionalpreservationofthebestindividuals,whetherornotsufficientlydistincttoberankedattheirfirstappearanceasdistinctvarieties,andwhetherornottwoormorespeciesorraceshavebecomeblendedtogetherbycrossing,mayplainlyberecognisedintheincreasedsizeandbeautywhichwenowseeinthevarietiesoftheheartsease,rose,pelargonium,dahlia,andotherplants,whencomparedwiththeoldervarietiesorwiththeirparent-stocks.
What's a sentence that uses these characters?
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In plants the same gradual process of improvement, through the occasional preservation of the best individuals, whether or not sufficiently distinct to be ranked at their first appearance as distinct varieties, and whether or not two or more species or races have become blended together by crossing, may plainly be recognised in the increased size and beauty which we now see in the varieties of the heartsease, rose, pelargonium, dahlia, and other plants, when compared with the older varieties or with their parent-stocks.
Add spaces: Realestateasinvestmentoveraplacetolive.Aftertouringit,Ifeelmorestronglyaboutsayingthat;theyaremeanttolurethesuburbandwellersbacktothecity,onlyLouisvillehasn'tgonethroughagreatsuburbanmigration.

Answer: Real estate as investment over a place to live. After touring it, I feel more strongly about saying that; they are meant to lure the suburban dwellers back to the city, only Louisville hasn't gone through a great suburban migration.
This text is missing some spaces, please add them: 325m2,1livingroom,4bedroom,2bathroom,Americankitchen,350m
325 m2, 1 living room, 4 bedroom,2 bathroom, American kitchen, 350 m