(i) The range( ) is a function used to generate a series of values in Python. Using range( ) function, you can create list with series of values. The range( ) function has three arguments.

Syntax of range( ) function: 

range (start value, end value, step value) where,

• start value – beginning value of series. Zero is the default beginning value.
• end value – upper limit of series. Python takes the ending value as upper limit – 1.
• step value – It is an optional argument, which is used to generate different interval of values.

Example: Generating whole numbers upto 10 for x in range (1, 11):

print(x)

Output

1

2

3

4

5

6

7

8

9

10

(ii) Creating a list with series of values Using the range( ) function, you can create a list with series of values. To convert the result of range( ) function into list, we need one more function called list( ). The list( ) function makes the result of range( ) as a list.

Syntax:

List_Varibale = list ( range ( ) )

Note

The list( ) function is all so used to create list in python.

Example

>>> Even_List = list(range(2,11,2))

>>> print(Even_List)

[2, 4, 6, 8, 10]

In the above code, list( ) function takes the result of range( ) as Even List elements. Thus, Even _List list has the elements of first five even numbers.

(iii) We can create any series of values using range( ) function. The following example explains how to create a list with squares of first 10 natural numbers.

Example: Generating squares of first 10 natural numbers

squares = [ ]

for x in range(1,11):

s = x ** 2

squares.append(s)

print (squares)

Output

[1, 4, 9, 16, 25, 36, 49, 64, 81, 100]