Python Python String Manipulation and Formatting

Question 1

Which method removes leading and trailing whitespace from a string?

Accepted Answer

strip()

Answer

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

Question 2

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

Accepted Answer

'HELLO'

Answer

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

Question 3

What is the output of `'Python'.replace('P', 'J')`?

Accepted Answer

'Jython'

Answer

replace() substitutes all occurrences of the first argument with the second, giving 'Jython'.

Question 4

What does `'a,b,c'.split(',')` return?

Accepted Answer

['a','b','c']

Answer

split() divides a string on the given separator and returns a list of substrings.

Question 5

Which f-string expression correctly formats a float to 2 decimal places?

Accepted Answer

f'{value:.2f}'

Answer

The format spec :.2f means fixed-point notation with 2 digits after the decimal.

Python Practice Test