#random_demo.py

import random

   # random
for i in range(10):
    print(random.random())   # random real number in range [0,1). uniform distribution

for i in range(10):
    print(random.random()*100)   # [0,100)

   # randomint
for i in range(10):
    print(random.randint(10,20), end="  ")   # random int between 10 and 20, inclusive
print()

   # choice
hand = ['rock','paper','scissors']
for i in range(10):
    print(random.choice(hand))  #randomly one of the list items

   # choices
letters = ['a','b','c','d','e','f','g','h','i','j','k','l','m',\
           'n','o','p','q','r','s','t','u','v','w','x','y','z']
for i in range(10):
    print(random.choices(letters,k=random.randint(1,10)))  #randomly some (1-10) of the list items
    #dups possible

   # shuffle
random.shuffle(letters)   #in-place shuffle a list
print(letters)

letters.sort()
#print(letters)

   # normalvariate
for i in range(10):
    print(random.normalvariate(100,10))   #normally distributed, (mean,stddev)

for i in range(10):
    print(round(random.normalvariate(100,10)), end="  ")
print()