“The best way to predict the future is to create it.”
This article will discuss a few built-in modules in python, mainly we will focus on the random module in python.
Modules are files containing a set of functions you want to include in your application just by importing them.
Python offers a wide range of modules that can be used effortlessly by importing them.
Whenever we need to use a module, we need to import them. Import statements are basically written in many ways let us see them one by one.
The simplest form to import a module is
If we write the import in the above method we need to call the functions inside the module with module reference.
import random random.randint(1,50)#returns a random number between 1 to 50.
import module_name as alternate_name
Here, we are importing a module and naming it with a short name so that we can use it whenever necessary.
import random as r r.randint(1,50)#returns a random number between 1 to 50.
from module_name import *
This statement will import all the functions available inside the module.
We no need to write the module name every time for using the functions.
from random import * randint(1,50)#returns a random number between 1 to 50.
from module_name import function_name
Here, we are importing only the function which we are importing all the functions will not be imported.
from random import randint randint(1,50)#returns a random number between 1 to 50. random()#It throws an error.
The random module allows us to generate random numbers or random choices.
Frequently used functions inside the random module are,
|random()||Returns a random floating number between 0.0 to 1.0||print(random())#0.6|
|randint(a,b)||Returns a random integer between the range a,b||print(randint(1,50))#25|
|randrange(a,b,c)||Returns a random number between the range a,b and optional step count c.||print(randrange(1,50,2))#29|
|choice(list_name)||Returns a random item in a list.||print(choice([“a”,”b”,”c”])#c|
|shuffle(list_name)||Returns the shuffled list||print(shuffle([“a”,”b”,”c”])|
|uniform(a,b)||Returns a random float number inclusive of the range.||print(uniform(1,50))#12.25354|
from random import * print(random()) print(randint(1,50)) print(randrange(1,50,2)) x=["a","b","c"] print(choice(x)) shuffle(x) print(x) print(uniform(1,50))
0.9905010751757418 40 17 c ['b', 'c', 'a'] 13.82524351700107
- Write a program to make the user guess a number between 1-10 and if the guessed number is the same as the random number then the user has won the game. We can give the user 3 chances for guessing the number.
Thus we have understood methods to import the built-in module and have learned in detail regarding the random module in python.
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