random

random

>>> random.randrange(1,10) #return a random number between 1-10, excluding 10 
>>> random.randint(1,10) #return a random number between 1-10, including 10

>>> random.randrange(0, 100, 2) #Randomly select an even number between 0 and 100

>>> random.random()   #returns a random floating point number 
>>> random.choice( ' abce3 # $@1 ' ) #returns a random character in a given data set ' # '


>>> random.sample( ' abcdefghij ' ,3)   #Select a specific number of characters from multiple characters 
[ ' a ' , ' d ' , ' b ' ]

#Generate random string 
>>> import string 
 >>> '' .join(random.sample(string.ascii_lowercase + string.digits, 6 )) 
 ' 4fvda1 '

#shuffle 
>>> a _
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
>>> random.shuffle(a)
>>> a
[3, 0, 7, 2, 1, 6, 5, 8, 9, 4]