In [2]:

    

print "Hello World"


    

    




Hello World

In [3]:

    

print 9*9


    

    




81

In [4]:

    

for i in xrange(100):
    print "Hello World"


    

    




Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World
Hello World

In [5]:

    

sum = 10+20+30
print sum


    

    




60

In [63]:

    

import random
banana = random.randint(0,1)
print banana


    

    




0

In [93]:

    

heads = 0
for i in xrange(100):
    flip = random.randint(0,1)
    if (flip == 0):
        heads += 1
print heads


    

    




52

In [ ]:

    




    

In [100]:

    

results = []
for trial in xrange(100000):
    heads = 0
    for i in xrange(100):
        flip = random.randint(0,1)
        if (flip == 0):
            heads += 1
    results.append(heads)
print results[1:10]


    

    




[42, 50, 57, 48, 47, 50, 51, 53, 42]

In [101]:

    

import matplotlib.pyplot as plt
plt.figure()
plt.hist(results)
plt.show()


    

In [ ]: