General Ideas

Question 1

source code > [answer] > output

Answer 1

interpreter

Question 2

source code > [answer1] > [answer2] > executor > output

Answer 2

compiler, object code

Question 3

shell mode

Answer 3

type commands directly into interpreter

Question 4

program mode

Answer 4

use the interpreter to execute the entire source code as a whole

Question 5

> > >

Answer 5

python interpreter prompt

Question 6

runtime error

Answer 6

exception

Question 7

values

Answer 7

objects, results of evaluating an expression

Question 8

type conversion functions

Answer 8

int, str and float will attempt to change object to their type

Question 9

truncation to zero

Answer 9

discard the decimal portion of the number…the number is closer to zero

Question 10

variable

Answer 10

name that refers to a value

Question 11

=

Answer 11

assignment token

Question 12

==

Answer 12

equality token

Question 13

python keywords

Answer 13

and	as	assert	break	class	continue
def	del	elif	else	except	exec
finally	for	from	global	if	import
in	is	lambda	nonlocal	not	or
pass	raise	return	try	while	with
yield	True	False	None

Question 14

statement

Answer 14

an instruction that the interpreter can execute (ex: assignment)

Question 15

expression

Answer 15

combination of values, operators, variables and calls to functions (ex: len(“string”))

Question 16

value is produced by…

Answer 16

the evaluation of an expression

Question 17

ParseError

Answer 17

syntax error

Question 18

TypeError

Answer 18

attempt to combine two objects that are not compatible

Question 19

NameError

Answer 19

almost always means you used a variable before it has a value

Question 20

three lines of code to use turtle graphics

Answer 20

import turtle
window = turtle.Screen()
slim = turtle.Turtle

Question 21

Data Types

Answer 21

int, str, bool, float, list

Question 22

six comparison operators

Answer 22

==, !=, >, =,

Question 23

logical operators

Answer 23

and, or, not

Question 24

escape sequences

Answer 24

\t (tab), \n (new line)

Question 25

cursor

Answer 25

invisible marker

Question 26

collection data types (name them)

Answer 26

strings, lists