!ls

import random as rd
%timeit sorted([rd.random() for i in range(10000000)])

/ord "A"

1+1

2+2

_i32

_33

%history

%%writefile ipython_html.py
class ListTable(list):
    """ Overridden list class which takes a 2-dimensional list of 
        the form [[1,2,3],[4,5,6]], and renders an HTML Table in 
        IPython Notebook. """
    
    def _repr_html_(self):
        html = ["<table>"]
        for row in self:
            html.append("<tr>")
            
            for col in row:
                html.append("<td>{0}</td>".format(col))
            
            html.append("</tr>")
        html.append("</table>")
        return ''.join(html)
import random
table = ListTable()
table.append(['x', 'y', 'x-y', '(x-y)^2'])
for i in xrange(7):
    x = random.uniform(0, 10)
    y = random.uniform(0, 10)
    table.append([x, y, x-y, (x-y)**2])
table


!ls ipython_html.py

!cat ipython_html.py

%pwd?

%%ruby
puts "Ruby is also an awesome language"

%lsmagic

from IPython.display import YouTubeVideo, ScribdDocument, Image
YouTubeVideo("99dmQGPkvog")

Image("http://imgs.xkcd.com/comics/python.png")

 ScribdDocument(57352264, width=800, height=400, start_page=3, view_mode="book")

class ListTable(list):
    """ Overridden list class which takes a 2-dimensional list of 
        the form [[1,2,3],[4,5,6]], and renders an HTML Table in 
        IPython Notebook. """
    
    def _repr_html_(self):
        html = ["<table>"]
        for row in self:
            html.append("<tr>")
            
            for col in row:
                html.append("<td>{0}</td>".format(col))
            
            html.append("</tr>")
        html.append("</table>")
        return ''.join(html)

    
import random


table = ListTable()
table.append(['x', 'y', 'x-y', '(x-y)^2'])
for i in xrange(7):
    x = random.uniform(0, 10)
    y = random.uniform(0, 10)
    table.append([x, y, x-y, (x-y)**2])
table


HTML """<iframe width="100%" 
  height="166" 
  scrolling="no" 
  frameborder="no" 
  src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/85157364&amp;color=ff6600&amp;auto_play=false&amp;show_artwork=true">
  </iframe>""")

#Oops!!!

from IPython.display import HTML


HTML("""<iframe width="100%" 
  height="166" 
  scrolling="no" 
  frameborder="no" 
  src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/85157364&amp;color=ff6600&amp;auto_play=false&amp;show_artwork=true">
  </iframe>""")

%matplotlib inline
import numpy as np

from pylab import *
from matplotlib import pyplot as plt

n = np.random.randn(100000)
fig, axes = plt.subplots(1, 2, figsize=(12,4))

axes[0].hist(n)
axes[0].set_title("Default histogram")
axes[0].set_xlim((min(n), max(n)))

axes[1].hist(n, cumulative=True, bins=50)
axes[1].set_title("Cumulative detailed histogram")
axes[1].set_xlim((min(n), max(n)));


%matplotlib inline
from matplotlib import pyplot as plt
import numpy as np

plt.plot(np.random.rand(100))
fig = plt.gcf()

from pylab import *
from matplotlib.patches import Polygon

def func(x):
    return (x-3)*(x-5)*(x-7)+85

ax = subplot(111)

a, b = 2, 9 # integral area
x = arange(0, 10, 0.01)
y = func(x)
plot(x, y, linewidth=1)

# make the shaded region
ix = arange(a, b, 0.01)
iy = func(ix)
verts = [(a,0)] + list(zip(ix,iy)) + [(b,0)]
poly = Polygon(verts, facecolor='0.8', edgecolor='k')
ax.add_patch(poly)

text(0.5 * (a + b), 30,
     r"$\int_a^b f(x)\mathrm{d}x$", horizontalalignment='center',
     fontsize=20)

axis([0,10, 0, 180])
figtext(0.9, 0.05, 'x')
figtext(0.1, 0.9, 'y')
ax.set_xticks((a,b))
ax.set_xticklabels(('a','b'))
ax.set_yticks([])
show()