Python supports a lot of built-in functions, used to perform various tasks easily. Functions that are inbuilt within Python are called built-in functions.

A function is a group of statements that perform specific tasks. Here are a few mathematical built-in functions used by most people to reduce their time for solving these kinds of problems.

List of Some Built-in functions

• abs()
• bin()
• min()
• max()
• sum()
• id()
• type()
• format()
• round()
• pow()

abs()

abs() returns an absolute value of a number. The argument may be an integer or a floating-point number.

Example:

#Absolute value 

x = 5
y = 5.1
print("x = ", x)
print("y = ", y)

#Output
x =  5
y =  5.1

bin()

bin() returns a binary string prefixed with “0b” for the given integer number.

Example:

#binary values

x = 15
y = 5
print ('15 in binary : ',bin (x))
print ('5 in binary : ',bin (y))

#Output
15 in binary :  0b1111
5 in binary :  0b101

min()

min() returns the lowest or smallest value in a list.

Example:

#Minimum value

list1 = [ 17, 24 ,10, 64, 3, 67 ]
print(min(list1)

#Output
3

max()

max() returns the highest or largest value in a list.

Example:

#Maximum value

list1 = [ 17, 24 ,10, 64, 3, 67 ]
print(max(list1)

#Output
67

sum()

sum() returns the sum of all elements in the list.

Example:

#sum of all values

list1 = [ 17, 24 ,10, 64, 3, 67 ]
print(sum(list1)

#Output
185

id()

id( ) returns the address of an object in the stored memory. The address of the object differs from one system to another.

Example:

#address of an object

Blog = "Iterathon"
print(id(Blog)

#Output
3018363260528

type()

type() returns the type of object for the given variable.

Example:

#type of an object

Blog = "Iterathon"
add = 5+7
print(type(Blog))
print(type(add))

#Output
<class 'str'>
<class 'int'>

format()

format() returns the output based on the user input. For example, the user asks for a binary format then the format() function returns a value in binary.

Example:

# convert to given format 

x= 10
print ('x value in binary :',format(x,'b'))
print ('y value in octal :',format(x,'o'))

#output
x value in binary : 1010
y value in octal : 12

round()

round() returns the nearest integer to the given value. It also allows specifying the number of decimal digits desired after rounding.

Example:

#Rounding the given value

x = 10.5
print ('x value is rounded to', round (x))
y = 20.25
print ('y value is rounded in specific values',round (y,1))

#Output
x value is rounded to 10
y value is rounded in specific values 20.2

pow()

pow() returns a value in square format. For example, in mathematical 5² = 25

Example:

#Square values

a= 10
b= 2
print (pow (a,b))

#Output
100

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