Course 2: Python for Data Science, AI & Development

Question 1

Types

Answer 1

how python represents different types of data

Question 2

what does bool(1) yield?

Answer 2

TRUE

Question 3

what does bool(0) yield?

Answer 3

FALSE

Question 4

expressions

Answer 4

type of operation the computers perform

Question 5

what does a double slash (//) in a division operation do?

Answer 5

rounds to nearest whole number

Question 6

variable

Answer 6

used to store values

Question 7

how to assign a new valuable to existing variable

Answer 7

use : instead of =

Question 8

what does int(true) yield?

Answer 8

1

Question 9

if name=”Michael Jackson”, what does name[2] return?

Answer 9

“c”

Question 10

if name=”Michael Jackson”, what does name[0:4] return?

Answer 10

“Mich”

Question 11

if name=”Michael Jackson”, what does name[::2] return?

Answer 11

“McalJcsn”

Question 12

if name=”Michael Jackson”, what does name[0:5:2] return?

Answer 12

“Mca”

Question 13

\n

Answer 13

new line

Question 14

\t

Answer 14

tab

Question 15

\

Answer 15

\

Question 16

print(r”Michael Jackson \ is the best”) returns?

Answer 16

Michael Jackson \ is the best”

Question 17

A=”Thriller is the sixth studio album”
B=A.upper()
B returns what?

Answer 17

“THRILLER IS THE SIXTH STUDIO ALBUM”

Question 18

A=’Michael Jackson is the best’
B=A.replace(‘Michael’,’Janet)
B returns what?

Answer 18

‘Janet Jackson is the best’

Question 19

tuples

Answer 19

ordered sequence written as comma-separated elements within parentheses and are immutable

Question 20

what does it mean to say a tuple is immutable?

Answer 20

not capable of change

Question 21

lists

Answer 21

ordered sequence similar to tuples written as comma-separated elements but within brackets and are mutable

Question 22

aliasing

Answer 22

multiple names referring to the same object