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Python Numbers
Balasaheb Garule
3 years ago
Table of Content
Introduction
- Python Int
- Python Float
- Python Complex Number
Type Conversion
Arithmetic Operations
- Addition.
- Subtraction.
- Multiplication.
- Division
- Integer Division
- Exponents
- The Modulus Operator
Summary
Introduction
Numeric data is stored into numbers data type in python. Number data structures are immutable i.e. you never change the value of data type or if you change the value then a new object is created. It stores positive, negative, decimal, floating-point numbers, and complex numbers.
In python, there are following numeric data types are available
- Integers
- Floating-point numbers
- Complex Numbers
Python Int
The integer in the python data type represents whole numbers. A number is positive or negative, the length of the number is unlimited. We can declare a very large integer value using the python int type.
e.g.
n = 10000000000000000001
print(type(n))Output
<class 'int'>Python Float
Python float is a decimal data type. It will be used for declaring floating-point values. Values may be positive or negative.
e.g.
fp = 3.14
print(type(fp))Output
<class 'float'>Python Complex Number
The complex number contains two parts: the real and imaginary part with j.
We can access the real and imaginary parts with a.real and a.imag, respectively.
e.g.
c = 3+4j
print(type(c))
print(c.real)
print(c.imag) Output
<class 'complex'>
3.0
4.0Type Conversion
We can convert one type of variable into other types of variable. The complex type of variable is not converted into any other type. It is also known as typecasting. For this we use int(), float(), str(), and complex() methods.type conversion between float to integer remove the decimal value from float value.
e.g.
p = 10 # int
q = 3.14 # float
r = 2+4j # complex
print(“convert from python int to float”)
x = float(p)
print(type(x))
print(x)
print(“convert from python float to int”)
y = int(q)
print(type(y))
print(y)
print(“convert from python int to complex”)
z = complex(p)
print(type(z))
print(z)
print(“convert from python int to string”)
s = str(p)
print(type(s))
print(s)Output
convert from python int to float
<class 'float'>
10.0
convert from python float to int
<class 'int'>
3
convert from python int to complex
<class 'complex'>
(10+0j)
convert from python int to string
<class 'str'>
10Arithmetic Operations
Addition
Adding variable values using the “+” operator. Addition performs on same as well as a different type of variable. The addition of int and float is always a return a python float value.
#python program to add two numbers
# integer number addition
num1 = 10
num2 = 20
add = num1+ num2
print(“Integer Addition : ”,add)
# float number addition
num1 = 10
num2 = 2.5
add = num1 + num2
print(“Float Addition : ”,add)
#Complex number addition
num1 = 5+3j
num2 = 2
add = num1 + num2
print(“Complex Addition : ”,add)
# Real and imaginary parts are added to get the result.Output
Integer Addition : 30
Float Addition : 12.5
Complex Addition : (7+3j)Subtraction
Subtract variable value using “-” operator. Subtraction performs on the same as well as a different type of variable. Subtraction of int and float is always returned a python float value.
#python program to subtract two numbers
# integer number Subtraction
num1 = 10
num2 = 20
sub = num1- num2
print(“Integer Subtraction: ”,sub)
# float number Subtraction
num1 = 10
num2 = 2.5
sub = num1 - num2
print(“Float Subtraction: ”,add)
#Complex number Subtraction
num1 = 5+3j
num2 = 2
sub = num1 - num2
print(“Complex Subtraction: ”,sub)
# Real and imaginary parts are Subtract to get the result.Output
Integer Subtraction : -10
Float Subtraction : 7.5
Complex Subtraction : (3+3j)Multiplication
Multiplication is done using the “*” operator. Multiplication performs on the same as well as different types of variables. Multiplication of int and float is always returned a python float value.
#python program to Multiplication two numbers
# integer number Multiplication
num1 = 10
num2 = 20
mul = num1- num2
print(“Integer Multiplication: ”,mul)
# float number Multiplication
num1 = 10
num2 = 2.5
mul = num1 - num2
print(“Float Multiplication: ”, mul)
#Complex number Multiplication
num1 = 5+3j
num2 = 2
mul = num1 - num2
print(“Complex Multiplication: ”, mul)
# Real and imaginary parts are multiply by num2 value to get the result.Output
Integer Multiplication : 200
Float Multiplication : 25.0
Complex Multiplication : (10+6j)Division
Division operation is done using the “/” operator. The division performs on the same as well as different types of variables. Division operation always returns a float value.
#python program to Division two numbers
# integer number Division
num1 = 10
num2 = 20
div = num1/ num2
print(“Integer Division: ”,div)
# float number Division
num1 = 10
num2 = 2.5
div = num1 / num2
print(“Float Division: ”, div)
#Complex number Division
num1 = 5+3j
num2 = 2
div = num1 / num2
print(“Complex Division: ”, div)
# Real and imaginary parts are divide by num2 value to get the result.Output
Integer Division : 0.5
Float Division : 4.0
Complex Division : (2.5+1.5j)Integer Division
To convert division operation value into integer use integer division.to perform this operation uses the “//” operator.it is also called a floor division operator.
e.g.
n = int(5.0/2)
print(n)output
2similar to
n = 5 // 2
print(n)output
2Exponents
To calculate exponent use the “**” operator.
e.g.
n = 3**2
print(n)output
9m = 3 ** -1
print(m)Output
0.3333333333333333The Modulus Operator
The modulus operator (%) returns a reminder of two values.
e.g.
r = 5 % 2
print(r)output
1Summary
In this blog, we learned about python numbers. Int(), float(), and complex() are the python number data types. We also learn about arithmetic operation, integer division, exponents, and modulus operators.
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