Introduction to Operators — Flashcards
ICSE · Class 11 · Artificial Intelligence
35 flashcards for Introduction to Operators (ICSE Class 11 Artificial Intelligence) to test yourself on key terms and facts.
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What are operators in Python?
Answer
Operators are special symbols that represent computation. Values or variables are called operands, and when operators are applied to them, an expression is formed.
What does the + operator do?
Answer
The + operator adds numbers. It also concatenates strings, which means it joins two or more strings into one string.
What does the * operator do in Python?
Answer
The * operator multiplies numbers. It also repeats strings a given number of times, such as making a string appear multiple times.
What is special about division / in Python?
Answer
Division / always returns a float value, even when the result looks like a whole number.
What are the arithmetic operators in Python?
Answer
The arithmetic operators are +, -, *, /, %, **, and //. They are used for addition, subtraction, multiplication, division, remainder, exponentiation, and integer division.
What is the correct precedence order of arithmetic operators?
Answer
The order is: () then ** then ~ then /, //, *, % then +, -. Parentheses are evaluated first, then exponentiation, then negation, then multiplicative operators, and finally additive operators.
What do relational operators do?
Answer
Relational operators compare values. They are used to check whether one value is less than, greater than, equal to, or not equal to another value.
Which operators are comparison operators and which are equality operators?
Answer
The comparison operators are <=, <, >, and >=. The equality operators are <>, ==, and !=.
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