String Methods

Question 1

Give an example of Python code that employs a string method

Answer 1

x=”yesss”
x.islower()
this would return True because “yesss” is all lowercase
can also do “yesss”.islower()

Question 2

Returns True if the string contains only alphabetic letters or digits and is at least one character in length. Returns False otherwise.

Answer 2

isalnum()

Question 3

Return True if the string contains only alphabetic letters and is at least one character in length. Returns False otherwise.

Answer 3

isalpha()

Question 4

Returns True if the string contains only numeric digits and is at least one character in length. Returns False otherwise.

Answer 4

isdigit()

Question 5

Returns True if all the string contains only numeric digits and is at least one character in length. Returns False otherwise.

Answer 5

isdigit()

Question 6

Returns True if all of the alphabetic letters in the string are lowercase, and the string contains at least one alphabetic letter. Returns False otherwise.

Answer 6

islower()

Question 7

Returns True if the string contains only whitespace characters and is at least one character in length. Returns False otherwise. (Whitespace characters are spaces, newlines \n, and tabs \t)

Answer 7

isspace()

Question 8

Returns True if all of the alphabetic letters in the string are uppercase, and the string contains at least one alphabetic letter. Returns False otherwise.

Answer 8

isupper()

Question 9

Returns a copy of the string with all alphabetic letters converted to lowercase. Any character that is already lowercase, or is not an alphabetic letter, is unchanged.

Answer 9

lower()

Question 10

Returns a copy of the string with all leading whitespace characters removed. Leading whitespace characters are spaces, newlines (\n), and tabs (\t) that appear at the beginning of the string.

Answer 10

lstrip()

Question 11

The char argument is a string containing a character. Returns a copy of the string with all instances of char that appear at the beginning of the string removed.

Answer 11

lstrip(char)

Question 12

Returns a copy of the string with all trailing whitespace characters removed. Trailing whitespace characters are spaces, newlines (\n), and tabs (\t) that appear at the end of the string.

Answer 12

rstrip()

Question 13

The char argument is a string containing a character. The method returns a copy of the string with all instances of char that appear at the end of the string removed.

Answer 13

rstrip(char)

Question 14

Returns a copy of the string with all leading and trailing whitespace characters removed.

Answer 14

strip()

Question 15

Returns a copy of the string with all instances of char that appear at the beginning and the end of the string removed.

Answer 15

strip(char)

Question 16

Checks if the string ends with substring (returns True or False)

Answer 16

endswith(substring)

Question 17

Checks if the string starts with substring (returns True or False)

Answer 17

startswith(substring)

Question 18

Searches for substring within the string (returns lowest index of the substring or -1 if not found)

Answer 18

find(substring)

Question 19

Returns a copy of the string where every occurrence of substring is replaced with new_string

Answer 19

replace(substring, new_string)

Question 20

Changes a string into a list of strings

Separates the content of a string based on where spaces are found (by default)

Answer 20

split()