CH2 - Variables & Simple Data Types

Question 1

Variable

Answer 1

Reserved memory location to store values

Question 2

.py

Answer 2

Python file extension

Question 3

Syntax highlighting

Answer 3

Makes the code more readable, and It can also help identify problems with examples.

Question 4

Rules for naming variables in python

Answer 4

1. Must start with a letter or the underscore character.
2. A variable name cannot start with a number.
3. Can only contain alpha-numeric characters and underscores (A-z, 0-9, and _ ).
4. Names are case-sensitive.
5. No spaces.
6. Do not use Python keywords.
7. Must be short and descriptive.

Question 5

Traceback error

Answer 5

A record of where the IDE had trouble running the code.

Question 6

Strings

Answer 6

Characters inside quotes.

Question 7

Integers

Answer 7

Whole numbers, no fractions.

Question 8

Floats

Answer 8

Numbers with a decimal point

Question 9

Operations with Integers and Floats

Answer 9

The result will always be a float.

Question 10

F-String

Answer 10

How to insert variable values into a string.

Question 11

Methods

Answer 11

Action that Python performs on data.

Question 12

.tittle()

Answer 12

Python method. Title case string.

Question 13

.lower()

Answer 13

Python method. lower case string.

Question 14

.upper()

Answer 14

Python method. upper case string.

Question 15

\t

Answer 15

Tab. adds a tab space into text.

Question 16

\n

Answer 16

New Lines. adds a new line into text.

Question 17

How to remove whitespaces

Answer 17

1. rstrip()
2. lstrip()
3. strp()

Question 18

a, b, c = 1, 2, 3

Answer 18

How to assign multiple values into multiple variables.

Question 19

Comments

Answer 19

Adds non-executable comments to the code.

Question 20

Constant variable

Answer 20

Variable whose value never changes.