# IPython log file

get_ipython().magic(u'logstart')
def foo(*args):
    print args
foo(x=1)
foo(1)
foo(1, 3)
foo
foo()
def foo():
    x = 1
x
foo()
x
def sub(x, y):
    return x - y
sub(x=1, y=2)
sub(y=2, x=1)
d = dict(x=1, y=2)
d
sub(x=d['x'], y=d['y'])
sub(**d)
def sub(**kwargs):
    print kwargs
sub()
sub(1)
sub(x=1)
sub(x=1, abc=30))
sub(x=1, abc=30)
def sub(x, **kwargs):
    print x
    print kwargs
sub(1)
sub(1, 2)
sub(1, x=2)
def sub(x, y=0, **kwargs):
    print x, y, kwargs
sub(1, 2)
sub(1, 2, y=2)
sub(1, 2, 2)
sub(z=2, 1, 2)
lst = [1,3]
d= dict()
sub(*lst, **d)
get_ipython().magic(u'hist ')
sub(*lst, **d)
d
d['foo'] = 1
sub(*lst, **d)
def generic(*args, **kwargs):
    print args
    print kwargs
get_ipython().magic(u'pinfo zip')
lst1 = range(10, 20)
lst2 = range(20, 30)
lst3 = range(30, 40)
lst1
lst 2
lst2
zip(lst1, lst2, lst3)
lst = [lst1, lst2, lst3]
lst
get_ipython().magic(u'pinfo zip')
lst
zip(lst[0], lst[1], lst[2])
zip(*lst)
zip(*lst)[0]
def app(x, lst=[]):
    lst.append(x)
    return lst
app('foo')
app('bar')
lst
app(1)
app(1, [1,2,3]))
app(1, [1,2,3])
app(1)
app(1)
app(1)
app(1)
def app(x, lst=[]):
    lst.append(x)
    return lst
def app(x, lst=None):
    if lst is None:
        lst = []
     lst.append(x)
     return lst
def app(x, lst=None):
    if lst is None:
        lst = []
     lst.append(x)
     return lst
def app(x, lst=None):
    if lst is None:
        lst = []
    lst.append(x)
    return lst
x
x = 1
def foo():
    x = 2
    print x
foo()
def foo():
    print x
foo()
def foo():
    print x
    x = 2
foo()
def foo():
    global x
    x = 1
    print x
x
x = 10
x
foo()
x
x = [0]
def foo():
    x[0] = 10
foo()
x
yy
yy[1] = 1
def foo():
    x = [23]
x
foo()
x
def foo():
    if 3 < 2:
        x = 1
    print x
foo()
4/0
dir(__builtin__)
[k for k in dir(__builtin__) if "Error" in k]
try:
    x = 5 / 0
except ZeroDivisionError as err:
    print err
try:
    x = 5 / 0
except ZeroDivisionError as err:
    pass
try:
    x = 5 / 0
except ZeroDivisionError as err:
    pass
else:
    print "no error occurred"
try:
    x = 5 / 0
except ZeroDivisionError as err:
    pass
else:
    print "no error occurred"
finally:
    print "this always runs"
def foo():
    try:
        return 1
    finally:
        print "This happens after the return statement"
foo()
raise
try:
    x = 5/0
except Exception:
    print "Something bad happened but I can't fix it"
    raise
def foo():
    return 5/0
try:
    foo()
except Exception:
    print "Something went wrong with foo"
try:
    foo()
except :
    print "Something went wrong with foo"
try:
    foo3234e()
except :
    print "Something went wrong with foo"
try:
    foo3234e()
except Exception:
    print "Something went wrong with foo"
SyntaxError.__class__
SyntaxError.__class__.mro
SyntaxError.__class__.mro()
BaseException()
BaseException.mro()
Exception.mro()
SyntaxError.mro()
try:
    =
except:
    print "what went wrong"
try:
    =
except Exception:
    print "what went wrong"
try:
	print d['key']    
except KeyError:
      d['key'] = 1
d
import urllib
fp = urllib.open("http://feeds.finance.yahoo.com/rss/2.0/headline?s=DELL&region=US&lang=en-US")
fp = urllib.urlopen("http://feeds.finance.yahoo.com/rss/2.0/headline?s=DELL&region=US&lang=en-US")
data = fp.read()
data
from xml.etree import ElementTree
t = ElementTree.fromstring(data)
t
t.findall('link')
t.getchildren()
get_ipython().magic(u'pinfo t.findall')
get_ipython().magic(u'pinfo t.iterfind')
t.iterfind("link")
list(t.iterfind("link"))
channel = t.getchildren()[0]
channel
channel.getchildren()
channel.findall("item")
channel.findall("item")[0]
el = channel.findall("item")[0]
el.getchildren()
el.find('title').text
urllib.urlopen("http://finance.google.com/finance/info?client=ig&q=NASDAQ%3aGOOG").read()
import json
data = urllib.urlopen("http://finance.google.com/finance/info?client=ig&q=NASDAQ%3aGOOG").read()
json.loads(data)
data
data.strip()
data = data.strip()
data = data.strip("/")
data
json.loads(data)
lst = json.loads(data)
lst
def simple():
    ass
    
def simple():
    pass
def diff(x, y):
    return x - y
def diff(x, y=0):
    return x - y
def foo(*args):
    pass
def foo(x, *args):
    pass
foo()
def foo(**kwargs):
    pass
foo(2)
foo(z=2)
l = [1,2, 3]
def foo(x, y, z):
    return x * y * z
foo(*l)
l = range(10)
l
l[-3:]
foo(*l[-3:])
d = dict(x=10, y=2, z=3)
foo(**d)
d['zz'] = 10
foo(**d)
def generic(*args, **kwargs):
    pass
def foo(x=0):
    print x
    
foo()
def foo(x, y):
    return x/y
try:
    foo(1, 0)
except Exception:
    print "something bad happened"
try:
    x = foo(1, 0)
except Exception:
    print "something bad happened"
    x = 0
x
try:
    x = foo(1, 0)
except Exception:
    print "something bad happened"
    raise
lst
lst = range(20)
lst
newlst = []
for n in lst:
    if n % 5 == 0:
        newlst.append(n)
newlst
import this
import testmodule
x
testmodule.x
import sys
sys.path
sys.path.append("/tmp/foo")
sys.path
import testmodule as t
t
testmodule
import testmodule
t = testmoudule
t = testmodule
del(testmodule)
t
import testmodule
import testmodule
reload(testmodule)
get_ipython().magic(u'pinfo reload')
reload(testmodule)
from testmodule import x
x
from testmodule import *
x
from testmodule import *
y
reload testmodule
reload(testmodule)
from testmodule import *
y
from testmodule import y as test_y
get_ipython().system(u'ls -F *')
get_ipython().system(u'less newfile.csv')
get_ipython().system(u'ls -F *csv')
get_ipython().system(u'less classmates.csv')
get_ipython().magic(u'pinfo file')
get_ipython().magic(u'pinfo open')
fp = open("./classmates.csv", "r")
fp.mode
f.closed
fp.closed
get_ipython().magic(u'pinfo fp.seek')
fp.readlines()
fp.read()
fp.seek()
fp.seek(0)
fp
for line in fp:
    print line
get_ipython().magic(u'pinfo fp.write')
get_ipython().magic(u'pinfo fp.writelines')
fp.seek(0)
for line in file:
    tupe =line.strip().split(",")
    print tupe
for line in fp:
    tupe =line.strip().split(",")
    print tupe
fp.seek(0)
for line in fp:
    tupe = tuple(line.strip().split(","))
    print tupe
lst
newlst = []
for val in lst:
    if val % 5  == 0:
        newlst.append(val)
newlst
with open("classmates.csv") as fp:
    print fp.readlines()
fp
import StringIO
StringIO.StringIO("asdf\nbar")
fp = StringIO.StringIO("asdf\nbar")
fp.mode
fp.closed
fp.readlines()
def foo():
    pass
foo
x = 1
lst = range(10)
lst
lst = lst[::-1]
lstr
lst
lst.reverse()
lst
lst.reverse()
lst
lst.sort()
lst
lst = ['a', 'c', 'A']
lst.sort()
lst
get_ipython().magic(u'pinfo ord')
get_ipython().magic(u'pinfo chr')
ord("A")
ord("a")
lst = [(1, 2), (-1, 3), (2, 4)]
lst.sort()
lst
lst = [(-1, 2), (-1, -1), (-1, 3), (2, 4)]
lst.sort()
lst
get_ipython().magic(u'pinfo lst.sort')
lst = [(-1, -1), (-1, 2), (-1, 3), (2, 4)]
lst
lst = [(-1, -1, 2), (-1, 2), (-1, 3), (2, 4)]
lst.sort()
lst
get_ipython().magic(u'pinfo lst.sort')
lst.sort()
get_ipython().magic(u'pinfo sorted')
sorted(lst)
def foo(x):
    print x
foo(4)
y = 4
foo(y)
foo(foo)
lst
def second_item(t):
    return t[1]
sorted(lst, key=second_item)
lst
sorted(lst, key=second_item, reverse=True)
lst = [dict(x=10, z="a"), dict(x=1), dict(x=3, abc="foo")]
lst
def x_value(d):
    return d.get('x')
sorted(lst, key=x_value)
lst
newlst = []
for d in lst:
    newlst.append([d['x'], d])
newlst
sorted(newlst)
output = sorted(newlst)
get_ipython().magic(u'pinfo sorted')
cmp
get_ipython().magic(u'pinfo cmp')
get_ipython().magic(u'pinfo sorte')
get_ipython().magic(u'pinfo sorted')
get_ipython().magic(u'pinfo filter')
lst
def has_z(d):
    return "z" in d
filter(has_z, lst)
sort_abs
get_ipython().magic(u'pinfo map')
abs
get_ipython().magic(u'pinfo abs')
get_ipython().magic(u'pinfo map')
def double_me(x):
    return x * 2
map(double_me, [1,2,3])
newlst = []
for num in [1,2,3]:
    newlst.append(num * 2)
str.lower
str.lower("Abc")
"Abc".lower()
get_ipython().magic(u'pinfo filter')
filter(None, [0, 1, 2])
filter(None, ["simeon", "franklin", ""])