Introduction To Programming

Question 1

What are the five main data types of programming

Answer 1

Boolean, character, integer, floats/real, string

Question 2

What is character “data type” in programming

Answer 2

Single character (number, letter or symbol)

Question 3

What are the three main factors that decides which data type need to be used.

Answer 3

1- What you need to do with the data
2- What the end user needs
3- As what it needs to be stored in a in a file

Question 4

Does Python sets the data type of the value you used automatically or you have to set it manually

Answer 4

Python does automatically

Question 5

When does the data type is set when it comes to variable and constant

Answer 5

When you put a value in (variable, constant)

Question 6

Why the data type should not be changed once’s it has been set for a variable or constant

Answer 6

Lead to error and inconsistency

Question 7

What does it mean when we say that numbers in Python are immutable data types?

Answer 7

Data type representing a number once created it can not be change the original one but create a new one, and assign it to it

Question 8

What is the meaning of immutable

Answer 8

When the value of number data type changes and creating a new object

Question 9

In Python how is the character data type like (letter, number, symbol) treated

Answer 9

Treated like a string with single character

Question 10

Why is there no special Python notation for each character type (letter, number, symbol)

Answer 10

Because Python uses string type for single and longer characters

Question 11

What does the “type ()” function return

Answer 11

Return Data type of a value or variable

Question 12

How constant should be named according to PEP8?

Answer 12

Uppercase words separated with underscore