Python

output command

print(“hello world”)

string

a long chain of text that is displayed, data type

integer

int

• a whole number, data type

float

float

• decimal

syntax

rules that determine the way instructions or commands must follow

variable

named spaces in the memory where data can be stored

variable command

myName =

camel case

each word beginning with a capital letter to make things more obvious

python file type

.py

comments command

#

• the python interpreter ignores it, for human interpretation

addition command

+

subtraction command

-

multiplication command

*

division command

/

remainder command

%

• 19%3 =1

exponent command(square)

**

• 2 ** 3 = 8

equal to

==

less than

<

greater than

>

less than or equal to

<=

greater than or equal to

>=

inequal to

!=

iteration

to loop/ repeat

• saves you from writing code repetitively

• e.g. while loop

sequence

order of instructions

selection

when the interpreter makes a choice

• e.g. if/else statements rely on the input

while loop command

while

• keeps going if number of repetition is unknown

for loop command

for

• when one knows the number of time the loop should repeat for

• for loop_counter in range(10):

casting

conversion of a variable from one data type to another

function

a named block that can perform an action whenever it is called

function command

def function()

• to call it, simply write the name of the function.

• e.g. function()