String Methodz

Question 1

.capitalize()

Answer 1

Converts the first letter in string to uppercase.

Question 2

.casefold()

Answer 2

Converts the entire string to lowercase.

Question 3

.count()

Answer 3

Returns the number of times a specified value occurs in a string.

.count(value, start, end)

value = required
start = optional, default 0
end = optional, default end of string

Question 4

.encode()

Answer 4

Returns an encoded version of the string, using specified encoding.

.encode(encoding=encoding, errors=errors)
encoding = optional, default UTF-8
errors = optional, specifies error handling (i.e. strict, ignore, backslashreplace)

Question 5

.endswith()

Answer 5

Returns true if the string ends with the specified value.

.endswith(value, start, end)
value = string
start = optional (default 0)
end = optional (default end of string)

Question 6

.find()

Answer 6

Searches the string for a specified value and returns the position of where it was found. Returns -1 if not found.

.find(value, start, end)

Question 7

.format()

Answer 7

Formats specified values in a string; replaces placeholders defined with curly brackets.

.format(values)

Question 8

.isalnum()

Answer 8

Returns True if all characters in the string are alphanumeric (a-z, 0-9).

Question 9

.isalpha()

Answer 9

Returns True if all characters in the string are in the alphabet (a-z).

Question 10

.isascii()

Answer 10

Returns True if all characters in the string are ASCII characters (a-z, 0-9, some special chars like $, &, *).

Question 11

.isdecimal()

Answer 11

Returns True if all characters in the string are decimals (0-9).

Question 12

.isdigit()

Answer 12

Returns True if all characters in the string are digits (0-9).

Question 13

.isidentifier()

Answer 13

Returns True if the string is a valid identifier (a-z, 0-9 and _).

Question 14

.islower()

Answer 14

Returns True if all characters in the string are lower case.

Question 15

.isnumeric()

Answer 15

Returns True if all characters in the string are numeric.

Question 16

.isprintable()

Answer 16

Returns True if all characters in the string are printable.

\n is not printable.

Question 17

.isspace()

Answer 17

Returns True if all characters in the string are whitespaces.

Question 18

.istitle()

Answer 18

Returns True if the string follows the rules of a title (all words start with an upper case letter AND the rest is lowercase).

Symbols and numbers ignored.

Question 19

.isupper()

Answer 19

Returns True if all characters in the string are upper case.

Question 20

.join()

Answer 20

Converts the elements of an iterable into a string, joined on separator.

separator.join(iterable)
“ “.join([“It’s”, “my”, “birthday”]) –> “It’s my birthday”

Question 21

.lower()

Answer 21

Converts a string into lower case.

Question 22

.partition()

Answer 22

Returns a tuple with three values based on the FIRST appearance of matched string.

.partition(value)
“I could eat bananas all day”.partition(“bananas”) –> (“I could eat”, “bananas”, “all day”)
If no match found for value, returns (str, ‘’, ‘’).

Question 23

.replace()

Answer 23

Returns a string where a specified value is replaced with another specified value.

.replace(oldValue, newValue, count=ALL)

Question 24

.rfind()

Answer 24

Returns the last occurrence of value, or -1 if not found.

.rfind(value)

Question 25

.rindex()

Answer 25

Returns the last occurrence of value; raises ValueError if not found. ## Footnote .rindex(value)

Question 26

.rpartition()

Answer 26

Returns a tuple with three values based on the LAST appearance of matched string. ## Footnote .partition(value) "I could eat bananas all day".partition("bananas") --> ("I could eat", "bananas", "all day") If no match found for value, returns ('', '', str).

Question 27

.rsplit()

Answer 27

Splits the string at the specified separator, and returns a list, starting from the right. ## Footnote .rsplti(separator, maxSplit=-1 (ALL))

Question 28

.split()

Answer 28

Splits the string at the specified separator, and returns a list. ## Footnote .split(separator, maxSplit) default = splits on whitespace.

Question 29

.startswith()

Answer 29

Returns true if the string starts with the specified value. ## Footnote .startswith(value, start, end)

Question 30

.strip()

Answer 30

Returns a trimmed version of the string; trailing and leading spaces removed. ## Footnote .strip("str") --> will also remove additional letters.

Question 31

.swapcase()

Answer 31

Swaps cases; lower case --> uppercase AND uppercase --> lowercase.

Question 32

.title()

Answer 32

Converts the first character of each word to upper case, rest to lowercase

Question 33

.upper()

Answer 33

Converts a string into upper case.

Question 34

.zfill()

Answer 34

Fills the string with leading zeroes until it reaches specified length. ## Footnote .default 0 "potato".zfill(8) --> "00potato".