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Course: Intro to computer science - Python > Unit 1

Lesson 4: Arithmetic expressions
Computing
Intro to computer science - Python
Computational thinking with variables
Arithmetic expressions
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Evaluate arithmetic expressions

Google Classroom

Problem

Consider the following expression.
len("hi") + len("bye")
The code relies on this built-in function:
NameDescription
len(s)Returns the number of characters in the string s.
What does this expression evaluate to?
  • Your answer should be
  • an integer, like 6
  • a simplified proper fraction, like 3/5
  • a simplified improper fraction, like 7/4
  • a mixed number, like 1 3/4
  • an exact decimal, like 0.75
  • a multiple of pi, like 12 pi or 2/3 pi