Intro To Programming

Question 1

function to print message

Answer 1

print()

Question 2

location of code being ran (input)

Answer 2

code cell

Question 3

computers response to code cell

Answer 3

output

Question 4

annotating code

Answer 4

comments (#)

Question 5

rules of variables

Answer 5

-cannot have spaces
-only include letters, numbers & underscores
-have to start with letter or variable

Question 6

creates & assigns value to variable

Answer 6

=

Question 7

a block of code designed to perform a specific task

Answer 7

function

Question 8

what do functions do?

Answer 8

allow you to roughly same calculations multiple times without duplicating code

Question 9

what is a header?

Answer 9

defines the name of the function and the argument

Question 10

def

Answer 10

defines function

Question 11

name of variable used as input to function
-enclosed in parentheses followed by colon ():
-appear immediately after the function name

Answer 11

argument (function can have none)

Question 12

body of function

Answer 12

specifies work function does
-every line of code must be indented four spaces
-runs indented code from top to bottom

Question 13

part of the code that is accessible

Answer 13

variable scope

Question 14

local scope

Answer 14

variables defined inside a function that cannot be accessed outside of that specific function

Question 15

global scope

Answer 15

variables defined outside all functions; can be accessed anywhere

Question 16

rules when adding multiple arguments

Answer 16

-add inside parentheses
- separate with comma (same with inputted values)

Question 17

can a functions argument be empty?

Answer 17

yes

Question 18

numbers withOUT any fractional part

Answer 18

integers
-can be positive or negative (or 0)

Question 19

floats

Answer 19

numbers with fractional parts
-can have many numbers after decimal
-can also be specified with fraction
-numbers with decimal points automatically recognized as float

Question 20

round() {function}

Answer 20

allows you to round a function a specific number of decimal places

Question 21

represent True or False

Answer 21

Booleans

Question 22

not True

Answer 22

False

Question 23

not False

Answer 23

True

Question 24

collection of characters (alphabet letters, punctuation, numerical digits or symbols) contained in quotation marks

Answer 24

strings (commonly used to represent text)

Question 25

returns length of string (includes space, comma&exclamation mark) does not include quotation marks

Answer 25

len()

Question 26

length of empty string

Answer 26

0

Question 27

changes number (float/integer) to string

Answer 27

incase in " "

Question 28

changing string of numbers to float

Answer 28

float()

Question 29

adding strings "abc"+"def"

Answer 29

concentrates them abcdef (not possible to subtract or divide two strings)

Question 30

multiplying string by integer "abc" * 3

Answer 30

results in original string concentrated with itself a specified number of times abcabcabc (cannot multiply string by float!)

Question 31

statements that are either True or False ; used to make decisions

Answer 31

Conditions (2>3)

Question 32

checking if var_one is less than 1, and if var_two is greater than or equal to var_one-- what is output? var_one = 1 var_two = 2 print(var_one < 1) print(var_two >= var one)

Answer 32

False True

Question 33

conditional statements

Answer 33

Instructions that perform different actions based on wether a condition is true or false

Question 34

rules to "if" indentation

Answer 34

-two levels > 1st level is always needed to indent code block inside a function > second level needed to indent code block belonging to "if" statement

Question 35

if...else

Answer 35

If (conditional statement): checks if condition is true and execute a block of code if it is Else (conditional statement): provides alternative action if condition is false

Question 36

conditional statement used to check if multiple conditions are true -'the previous condition was false, so lets check if this new condition might be true.'

Answer 36

if... elif... else --if conditionals in 'if' and 'elif' statements both evaluates to False, code block inside 'else' statement is executed

Question 37

always rounded up to closest integer

Answer 37

negative floats

Question 38

always rounded down to closest integer

Answer 38

positive floats

Question 39

multiplying integer or float by boolean with value of True:

Answer 39

returns same integer or float and is equivalent to multiplying by 1

Question 40

multiplying integer or float by boolean with value of False

Answer 40

ALWAYS returns 0 -true for both positive and negative numbers

Question 41

multiply string by boolean with value of True

Answer 41

returns same string

Question 42

multiply string by boolean with value of False

Answer 42

returns empty string (length of 0)

Question 43

lists, sets, dictionaries & tuples

Answer 43

datasets available for holding data

Question 44

creating a list

Answer 44

enclose items in [ ] and separate each item with a comma -each item enclosed in quotation marks(string)

Question 45

printing length of list (number of entries)

Answer 45

len( ) -name of list in parentheses

Question 46

referring to an item in a list by its position ( first, second, third..)

Answer 46

indexing

Question 47

rules to pythons zero-based indexing

Answer 47

-to pull first list, use 0 -pulling second entry in list, use 1 -pull final entry, use one less than original length of list

Question 48

pulling a segment of a list (ex: first three or last two entries)

Answer 48

slicing -pull FIRST x enteries, [:x] -pull LAST y, [-y:]

Question 49

removing items from list

Answer 49

.remove( ) -item wish to remove within parentheses

Question 50

adding items to list

Answer 50

.append( ) -item wish to add in parentheses

Question 51

minimum of list

Answer 51

min( )

Question 52

maximum of list

Answer 52

max( )

Question 53

sum( )

Answer 53

adds every item in list -can do similar calculations with slices of list

Question 54

(sum(hardcover_sales[:5])/5 )

Answer 54

sum of first five days and divide by 5 (total number books sold in five days)

Question 55

turning string into list uses what function

Answer 55

.split( ) - enclosed in ' ' in parentheses: character marking end of list item and beginning of another ex: print(flowers.split(","))

Question 56

allow creation of lists from values in another list

Answer 56

list comprehensions

Question 57

Pulling first three entries from list

Answer 57

[:3]

Question 58

Pulling last five entries from list

Answer 58

[-5:]