Match each Python function to its description.
Drag a concept onto its matching description — or click a concept then click the description.
Outputs objects to the console
Reads a string from standard input
Returns the number of items in a container
Returns the type of an object
Converts a value to an integer
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
len: Returns the number of items in an object
These are common built-in Python functions. len() returns length, print() outputs, int() converts to integer, str() converts to string, and input() reads user input.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
len: Returns the number of items in an object
Why this is correct
The len() function returns the length (number of items) of an object like a list, string, etc.
print: Outputs data to the standard output
Why this is correct
The print() function writes data to the console.
int: Converts a value to an integer
Why this is correct
The int() function converts a number or string to an integer type.
str: Returns the length of a string
Why it's wrong here
Incorrect — the length of a string is returned by len(), not str(). str() converts an object to a string.
input: Outputs data to the console
Why it's wrong here
Incorrect — input() reads a line from user input; it does not output data (print() does).
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCEP practice question is part of Courseiva's free Python Institute certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PCEP exam.