Course 2: Python for Data Science, AI & Development Flashcards
Types
how python represents different types of data
what does bool(1) yield?
TRUE
what does bool(0) yield?
FALSE
expressions
type of operation the computers perform
what does a double slash (//) in a division operation do?
rounds to nearest whole number
variable
used to store values
how to assign a new valuable to existing variable
use : instead of =
what does int(true) yield?
1
if name=”Michael Jackson”, what does name[2] return?
“c”
if name=”Michael Jackson”, what does name[0:4] return?
“Mich”
if name=”Michael Jackson”, what does name[::2] return?
“McalJcsn”
if name=”Michael Jackson”, what does name[0:5:2] return?
“Mca”
\n
new line
\t
tab
\
\
print(r”Michael Jackson \ is the best”) returns?
Michael Jackson \ is the best”
A=”Thriller is the sixth studio album”
B=A.upper()
B returns what?
“THRILLER IS THE SIXTH STUDIO ALBUM”
A=’Michael Jackson is the best’
B=A.replace(‘Michael’,’Janet)
B returns what?
‘Janet Jackson is the best’
tuples
ordered sequence written as comma-separated elements within parentheses and are immutable
what does it mean to say a tuple is immutable?
not capable of change
lists
ordered sequence similar to tuples written as comma-separated elements but within brackets and are mutable
aliasing
multiple names referring to the same object
