frange(), a range function with float increments (Python recipe) by Dinu Gherman ActiveState Code (http://code.activestate.com/recipes/66472/) Sadly missing in the Python standard library, this function allows to use ranges, just as the built-in function range(), but with float arguments. All thoretic restrictions apply, but in practice this is more useful than in theory.
When I worked at a daycare we would have bike day during the summer when kids, aged 3-5, could bring in their bikes and ride them, most of the kids were on big bikes with training wheels and a few of the 4-5 year olds were without training wheels.
How to choose a bike. Parents should choose a bike that allows the child to sit on the seat and touch both feet on the ground. Also, while standing there should only be a few inches between the top center bar of the bike and the childâs inner groin or crotch area. Tricycles allow a child to practice steering and pedaling. Bicycles with training wheels or bikes with no pedals can help with balance when learning to ride. Avoid purchasing a larger bike for the child to âgrow into.â Injury ...