Data Types

• Why Programming?
  Programming is the process of writing instructions that tell a computer what to do.

• What is a Data Types?
  A data type Specific the type of value that a variable can store.

• What is a Primitive Data Types?
  Primitive data types are the basic built-in data types that store a single value.

• int -> Integer numbers -> (10, -5)

• float -> Decimal numbers -> (3.14, 25.5)

• str -> Text/String -> ("Hello")

• bool -> Boolean values -> (True, False)

Example:

age = 21         -> integer
price = 99.99    -> float
name = "Python"  -> string
is_pass = True   -> boolean

• What is a Built-in Function in Python?

A built-in function is a function that is already available in Python.

print()
input()
len()
type()

• print() -> Display output on the screen

print("Hello World")

Output

Hello World

• input() -> Takes input form the user

name = input("Enter your name: ")

Output

Enter your name:

• len() -> Returns the length of a string, list, etc.

name = "Python"
print(len(name))

Output

6

• type() -> Returns the data type of a variable

x = 10
print(type(x))

Output

<class 'int'>