The Python dictionary is a commonly used data structure that supports a rich set of operations. But there are some operations that it lacks—two operators in particular: "+" and "+=". That lack is the ...

> Python's None is nowhere near as bad NULL in C/C++ (the so-called "billion dollar mistake") but it's still not great. > So even if the new shortcuts were great, intuitive and very readable (which is ...

pdf, 1.69 MB zip, 390.86 KB pdf, 102.09 KB pdf, 52.28 KB pdf, 234.75 KB Do your students need a little extra help with understanding using mathematical operators in Python programming? Are you looking ...