PCEP PCEP String Operations and Methods

Question 1

What is the output of `'Python'[1:4]`?

Accepted Answer

yth

Answer

Slicing `[1:4]` extracts characters at indices 1, 2, and 3, giving 'yth'.

Question 2

Which string method returns `True` if all characters in the string are alphabetic?

Accepted Answer

isalpha()

Answer

`isalpha()` returns `True` only when every character in the string is a letter.

Question 3

What does `'hello'.upper()` return?

Accepted Answer

HELLO

Answer

The `upper()` method converts all characters in the string to uppercase.

Question 4

What is the result of `'  hello  '.strip()`?

Accepted Answer

hello

Answer

`strip()` removes leading and trailing whitespace from a string.

Question 5

Which operator is used to repeat a string in Python?

Accepted Answer

*

Answer

The `*` operator repeats a string a given number of times, e.g., `'ab' * 3` gives `'ababab'`.

(PCEP) Certified Entry-Level Python Programmer Practice Test