# Python Numbers

#### Python Numbers

There are three numeric types in Python:

Variables of numeric types are created when you assign a value to them:

#### Example

``` ```
x = 1
# int
y = 2.8  # float
z = 1j   # complex

``````

To verify the type of any object in Python, use the type() function:

#### Example

``` ```
print(type(x))
print(type(y))
print(type(z))

``````

#### Int

Int, or integer, is a whole number, positive or negative, without decimals, of unlimited length.

#### Example

Integers:

``` ```
x = 1
y = 35656222554887711
z =
-3255522

print(type(x))
print(type(y))
print(type(z))``````

#### Float

Float, or "floating point number" is a number, positive or negative, containing one or more decimals.

#### Example

Floats:

``` ```
x = 1.10
y = 1.0
z = -35.59

print(type(x))
print(type(y))
print(type(z))``````

Float can also be scientific numbers with an "e" to indicate the power of 10.

#### Example

Floats:

``` ```
x = 35e3
y = 12E4
z = -87.7e100

print(type(x))
print(type(y))

print(type(z))``````

#### Complex

Complex numbers are written with a "j" as the imaginary part:

#### Example

Complex:

``` ```
x = 3+5j
y = 5j
z = -5j

print(type(x))
print(type(y))

print(type(z))``````

#### Type Conversion

You can convert from one type to another with the int(), float(), and complex() methods:

#### Example

Convert from one type to another:

``` ```
x = 1    # int
y = 2.8  # float
z = 1j   # complex

#convert from int to float:

a = float(x)

#convert from float to int:

b = int(y)

#convert from int to complex:
c = complex(x)

print(a)
print(b)

print(c)

print(type(a))
print(type(b))

print(type(c))``````

#### Python Numbers

Number data types store numeric values. They are immutable data types, which means that changing the value of a number data type results in a newly allocated object.

Different types of Number data types are :

Let’s see each one of them:

#### Int type

int (Integers) are the whole number, including negative numbers but not fractions. In Python, there is no limit to how long an integer value can be.

Example 1: Creating int and checking type

``` ```num =-8

# print the data type
print(type(num))
``````

Output:

` `&lt;class 'int'>``

Example 2: Performing arithmetic Operations on int type

``` ```a =5
b =6

c =a +b

d =9
e =6

# Subtraction
f =d -e
print("Subtraction:",f)

g =8
h =2

# Division
i =g //h
print("Division:",i)

j =3
k =5

# Multiplication
l =j *k
print("Multiplication:",l)

m =25
n =5

# Modulus
o =m %n

print("Modulus:",o)

p =6
q =2

# Exponent
r =p **q
print("Exponent:",r)
``````

Output:

``` ```Addition: 11
Subtraction: 3
Division: 4
Multiplication: 15
Modulus: 0
Exponent: 36``````

#### Float type

This is a real number with floating-point representation. It is specified by a decimal point. Optionally, the character e or E followed by a positive or negative integer may be appended to specify scientific notation. . Some examples of numbers that are represented as floats are 0.5 and -7.823457.

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