Term | Definition |
variable | a name associated with computer memory that can hold a value and that value can change or vary |
string | sequences of characters between single, double, or triple quotes |
comment | The part of any line that starts with a # character;
computer ignores everything from the # character to the end of the line;
explain what we’re doing in the programs and are intended to be read by people, not computers |
pixel | one small part (element) of a picture |
screen layout | on grid from left to right(horizontal) and top to bottom(vertical) |
top left corner | (0,0) |
the way y increases on an image | top to bottom |
the way x increases on an image | left to right |
code | a set of instructions that a computer can understand;
sometimes called a program |
dot-notation | how you ask an object to do something in Python |
library | a group of programs that provides some functionality |
arithmetic expression | contains a mathematical operator like - for subtraction or * for multiplication. |
assignment | means setting a variable’s value |
assignment dyslexia | putting the variable name on the right and the value on the left ; not a legal statement |
camel-case | when the first letter of each additional word is uppercased when you create variable names that have several words in them like firstName |
integer division | when you divide one integer by another. In some languages this will only give you an integer result, but in Python 3 it returns a decimal value |
mixed-case | mixed-case means using upper and lower case letters in a variable |
modulo | remainder operator, %, returns the remainder after you divide one value by another |
tracing | keeping track of the variables in the program and how their values change as the statements are executed |