Start learning →
Home › Olympiad (Class 10) › Computer Science › Booleans and Decisions › A program must test, not change, a variable. The…

A program must test, not change, a variable. The correct operator is:

AMinus equals
BDouble equals
CSingle equals
DPlus equals
Answer & Solution
Correct answer: B. Double equals
1. Assignment modifies the variable. 2. Comparison leaves it untouched and yields a Boolean. 3. So the correct operator is double equals. _Source: OpenStax Introduction to Python Programming, Chapter 4._
Practise this question with Quill — Olympiad (Class 10) →
Related questions
An elif statement is only legal when it directly follows an if or another:A curve program uses two separate if statements and both run by mistake. The fix is to useMost Python operators are evaluated in which direction?The rule deciding order when two operators share a precedence level is:In Python the expression (1 + 2) * 3 evaluates to:In Python the expression 1 + 2 * 3 evaluates to:A program should act when a computer is switched off. The operator to use is:A concert lets in anyone in band or choir. The operator to use is: