Strings

Question 1

string.ascii_letters

Answer 1

A constant, all the ASCII letters:
"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"

Question 2

string.ascii_lowercase

Answer 2

A constant, all the lowercase ASCII letters:
"abcdefghijklmnopqrstuvwxyz"

Question 3

string.ascii_uppercase

Answer 3

A constant, all the uppercase ASCII letters:
"ABCDEFGHIJKLMNOPQRSTUVWXYZ"

Question 4

string.digits

Answer 4

A constant, the digits:
"0123456789"

Question 5

string.hexdigits

Answer 5

A constant, the digits plus uppercase and lowercase letters a-f for hexadecimal:
"0123456789abcdefABCDEF"

Question 6

string.octdigits

Answer 6

A constant. The digits for octal:
"01234567"

Question 7

string.printable

Answer 7

A constant string. All the ASCII symbols considered printable. Letters, numbers, grammer, whitespace.

Question 8

string.punctuation

Answer 8

A constant. Punctuation symbols

"%&'()*+,-./:;<=>?@[\]^_\`{|}~"

Question 9

string.whitespace

Answer 9

A constant. All the whitespace characters: Space, tab, linefeed, return, formfeed, vertical tab

Question 10

textwrap.fill(my_paragraph, 50)

Answer 10

Adds newline characters to my_paragraph such that each line is no more than 50. This left aligns the text

Question 11

textwrap.dedent(my_paragraph)

Answer 11

Remove any leading whitespace common to all lines in my_paragraph

textwrap.dedent("\t\t hello\n\t world)
>>> "\t hello\n world"

Question 12

textwrap.indent(my_text, "\t")

Answer 12

Indent all lines in my_text with \t

Question 13

textwrap.indent(my_text, "\t", lambda line: "cats" in line)

Answer 13

indent all lines with “\t” in my_text which contain the string "cats"

Question 14

textwrap.shorten(“Hello world, my name is Philip”, 12)

Answer 14

"hello [...]" shortens the text to width 12. Adds in [...] placeholder to indicate it is shortened. Can use a custom placeholder with the placeholder argument.

Question 15

re.search(my_regex, my_text)

Answer 15

Finds the first occurrance of the pattern specified in my_regex in my_text. Returns None when no match is present, or a re.Match object when there is a match.