Chapter 2 - Types, variables and simple I/O

Question 1

American Standard Code for Information exchange

Answer 1

ASCII

Question 2

newline sequence

Answer 2

\n

Question 3

tab sequence

Answer 3

\t

Question 4

print a backslash

Answer 4

\

Question 5

escape sequence (rings a bell if played by windows)

Answer 5

\a

Question 6

concatenating strings

Answer 6

combination of strings using “+”
print(“me” + “plus” + “you”)
meplusyou

Question 7

line continuation (entered at the end of a line); used for readibility
-used outside of a string
print(“Me” \
“ good”) -> Me good

Answer 7

\

Question 8

peanut butter sandwich

peanut butter sandwich

Answer 8

print((“peanut” + “butter” + “sandwich”) * 2)

Question 9

a whole number

Answer 9

integer

Question 10

a number with a fractional point

Answer 10

floating-point number(float)

Question 11

a sequence of values joined by operators

Answer 11

expression

Question 12

integer division

19/5 = 3

Answer 12

\

Question 13

Modulus - produces remainder of an integer

19/5 = 4

Answer 13

%

Question 14

name = “Momchil”

Answer 14

assignment statement (creates a variable assigns value to variable) ! a variable gets a value, is not assigned one

Question 15

Name 2 variable rules

Answer 15

1. The variable name can only contain numbers, letters and underscores
2. Can not start with a number

Question 16

Code, easily understood without comments

Answer 16

Self-documenting code

Question 17

print(variable.upper())

Answer 17

prints the variable in all uppercase letters

Question 18

print(variable.replace(“one”, “two”))

Answer 18

replaces the string “one” with “two”

Question 19

an ability a string has (e. g. quote.upper())

-needs to be called through a particular string (unlike a function)

Answer 19

string method

string.string_method()

Question 20

Returns a new string where the case of each letter is switched

Answer 20

swapcase()

Question 21

returns a string where all the white space at the beginning and end is striped

Answer 21

strip()

Question 22

when a program produces unintended results without crashing

Answer 22

logical error

Question 23

using the same operator with values of different types

Answer 23

operator overloading

Question 24

putting one function inside of another

Answer 24

nesting

Question 25

converts x to a floating-point value

Answer 25

float()

Question 26

converts x to an integer

Answer 26

int()

Question 27

converts x to a string

Answer 27

str()

Question 28

augments the value and assigns it back to the variable

Answer 28

augmented assignment operators

x *= 2 or x += 1