PCAP File I/O and String Operations 2

Question 1

Which string method converts all characters to uppercase?

Accepted Answer

upper()

Answer

`str.upper()` returns a new string with all characters converted to uppercase.

Question 2

What does `str.strip()` do?

Accepted Answer

Removes leading and trailing whitespace

Answer

`strip()` removes whitespace (or specified characters) from both ends of the string.

Question 3

How do you split a string `s` by commas?

Accepted Answer

s.split(',')

Answer

`str.split(delimiter)` splits the string at each occurrence of the delimiter and returns a list.

Question 4

Which method joins a list of strings with a separator?

Accepted Answer

sep.join(list)

Answer

`separator.join(iterable)` concatenates iterable elements using the separator string.

Question 5

What does the f-string `f'Hello {name}'` do?

Accepted Answer

Inserts the value of `name` into the string

Answer

f-strings (formatted string literals) evaluate expressions in `{}` and embed them in the string.

PCAP - Certified Associate in Python Programming Practice Test