PCEP Practice Question: Data Types, Variables, Basic I/O and Operators
A user enters '42' at an input prompt. After executing x = input(), what is the type of x?
⚠ Common exam trap
Watch out — candidates often assume `input()` automatically converts numeric-looking input to an integer or float, because many other languages (like C++ with `cin`) do so, but Python's `input()` always returns a string.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
str
The `input()` function in Python always returns the user's input as a string, regardless of whether the input looks like a number. When the user enters '42', it is captured as the string '42', so the type of `x` is `str`. This is because `input()` does not perform any implicit type conversion.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
float
Why it's wrong here
input() returns a string regardless of the characters typed, so entering 42 yields str, not float. float is tempting because numeric-looking input is often converted with float() for decimal handling, which would be correct only if the code explicitly cast the value.
- ✓
str
Why this is correct
input() always returns a string regardless of what the user types, so entering 42 yields the characters '4' and '2' as a str. No implicit numeric conversion occurs; int() or float() must be called explicitly to obtain a number.
- ✗
bool
Why it's wrong here
input() always returns a string, so 42 produces str, never bool. bool is tempting because truthiness checks are common in Python, but a bool results only from explicit conversion or a comparison expression, not from reading raw input.
- ✗
int
Why it's wrong here
input() returns a string, so 42 yields str, not int. int is tempting because the entered characters look numeric and int() conversion is frequently applied afterwards, but that cast must be written explicitly; the raw return type remains str.
Go deeper
Related to this question
About these practice questions
This PCEP question is part of Courseiva's 482-question bank — original exam-style content with full explanations and wrong-answer analysis, never real exam questions or exam dumps. Learn why practice questions differ from exam dumps →
JA
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.