Looping: \foreach

1. Needs TikZ!! \includepackage{tikz}
   
2. \foreach \p in {A,B,C)
{
   \draw[Points] (\p) node [anchor=north east] {$\p$};
}
   
3. \foreach \p/\anchor in {A/north,B/south,C/south west)
{
   \draw[Points] (\p) node [anchor=\anchor] {$\p$};
}
   
4. \foreach \p/\anchor/\title in {A/north/A',B/south/B',C/south west/C')
{
   \draw[Points] (\p) node [anchor=\anchor] {$\title$};
}
   
5. \def\Path{Curves/Trochoid}
\tikzmath{\N=10;}
\foreach \n in {1,2,...,\N)
{
   \textbf{\n} {\safeinput{\Path/\n.tex}
}
   
6. \def\Path{Curves/Trochoid}
\tikzmath{\N=10;}
\tikzmath{\tstart=0;}
\tikzmath{\tend=0;}
\tikzmath{\tnext=\tstart+(\tend-\tstart)/\N;}
\foreach \t in {\tstart,\tnext,...,\tend)
{
   %Curves.Draw.tikz.tex refers to \t as time
   \input{Curves.Draw.tikz}
}