# IPython log file

1
x = 2
x
get_ipython().magic(u'logstart')
get_ipython().magic(u'pinfo str')
1
1.5
1.
1 + 3 * 2
3/2
3/2.
"hello"
"hello\" there"
'hello" there'
"\nhello"
"\thello"
"""hello 
there"""
'hello
len(r"\n")
r"\n"
u"foobar"
"asdf" + "qwer"
"-+=" * 10
x = "foobar"
x[0] = 'a'
"foobar" + 1
int(0)
str(1)
"foobar" + str(1)
0
"a string"
[1, 2]
float(1)
list()
x = 1
y = 1
y = x
id(x)
id(y)
x = 5
y = 5
id(x)
id(y)
x = "foo"
y = "foo"
id(x)
id(y)
del(y)
y
x
del(x)
id(1)
True
False
true
True or False
True and False
not False
1 or 0
bool(1)
bool(0)
1 or 0
"value1" if 0 else "value2"
x
x = 4
if x < 10:
    print "x was less than 10"
    
bool("asdf")
bool("False")
bool("")
answer = "yes"
if answer:
    print "true"
1 == 0
True == 0
True == 1
True == 2
int(True)
True is 1
id(True)
id(1)
True is True
False is False
1 is True
message = "this is section"
section = 1
message + str(section)
message + section
bool("bar")
bool("")
bool(-1)
x = 1
z = 0
x and z
bool(x and z)
x and z
x or z
0 or 100
x = 0 or 100
x
x = 0 or 100 or 200
x
0 == False
z = 5
if z == True:
    print "yes"
from datetime import datetime
help(datetime)
datetime.now()
help(datetime.now)
5 % 2
hours = 11
"Good morning. it is " + str(hours) + " hours"
"Good morning. It is %.2f hours" % hours 
hours
"Good morning. It is %s hours" % hours
datime.now()
datetime.now()
datetime.now().hour
[1, 3]
list()
[]
list("asdf")
x = [1, "asdf", True]
x
x.append(3)
x
y = x
y
x
id(x)
id(y)
x[0] = 10
y
len("asdf")
len(x)
x
while x:
    print x.pop()
x
x = range(10, 20)
x
x[0]
get_ipython().magic(u'pinfo x.pop')
i = 0
while i < len(x):
    print x[i] / 2
    i += 1
for value in x:
    print value / 1
    
for value in x:
    print value / 2
help(x)
x
x.insert(0, 'a')
x
x.insert(100, 'a')
x
x[100]
x[100] = 1
get_ipython().magic(u'pinfo x.remove')
x
x.remove('a')
x
x
x[0]
x[len(x) - 1]
x[-1]
x[-3]
x
x[0:3]
x[0:]
x[:]
y = x[:]
id(y)
id(x)
y = list(x)
x
x[1:]
x[1:-1]
x[::2]
x
x[1::2]
x
x[4] = ['a','b','c']
x
x[4]
x[4][2]
del(x[4])
x
x.extend(['a','b','c'])
x
get_ipython().magic(u'pinfo x.extend')
x[3:4] = [1, 2, 3]
x
x[::-1]
[1,2,3] + ['zb', 'qwer']
get_ipython().magic(u'pinfo range')
help(range)
range(0, 4)
for i in range(10):
    print "hello"
for i in range(10):
    print "hello" , i
for i in range(0, 10):
    print "hello" , i
x
x.count(1)
get_ipython().magic(u'pinfo x.count')
x.index(1)
x.index(100)
1 in x
if x.count(1) > 0:
    print "yes 1 is in x"
if 0 in x:
    print "yes 0 is in x"
"i" in "Simeon"
x = "a"
x[0]
x = "simeon franklin"
x[0::2]
x[-1]
x = [1, 2, 3]
y = (1, 2, 3)
x
y
type(x)
type(y)
y.y
y
1 in y
y[0]
y[0:-1]
y[0] = 10
x = 1
y = 2
x, y = y, x
(x, y) = (y, x)
x
y
(x, y) = (y, x)
x
y
get_ipython().magic(u'pinfo enumerate')
x = range(10, 40, 6)
x
for val in enumerate(x):
    print val
for (i, val) in enumerate(x):
    print "%s value is %s" % (i, val)
"%s and %s" % 1, 2
"%s and %s" % (1, 2)
"%s and %s" % [1, 2]
"%s and %s" % (1, 2)
1, 2
("")
()
("")
(,)
tuple()
1, 
tuple('asdf')
x
for k,v in enumerate(x, 1):
    print k, v
for k,v in enumerate(x, 100):
    print k, v
import class1
reload(class1)
import class1
class1
class1.fname
class1.classmates
help(class1)
reload(class1)
help(class1)
dct = {}
dict()
dct['key'] = 1
dct
dct['key'] = 2
dct
dct[1] = 10
dct
dct[4.5] = 10
dct
dct[[1, 2] = 'foo'
dct[[1, 2]] = 'foo'
dct[(45, 20)]
dct[(45, 20)] = 1
dct
d = {'foo': 1, 'foo2': 4}
d
d['foo']
dict(foo=1, foo2=4)
d
d.has_key('foo')
'foo' in d
get_ipython().magic(u'pinfo d.setdefault')
d
d.setdefault('x', 10)
d
d['z']
d.get('z')
get_ipython().magic(u'pinfo d.get')
d.get('x', 11)
d[z] = d.get('z', 10) + 1
d
d
d[z] = d.get('z', 10) + 1
d
d['z'] = d.get('z', 10) + 1
d
z
d[z]
d
d
d.keys()
l = ['z', 'y']
for key in l:
    if key in d:
        print "Yup: %s" % key
get_ipython().magic(u'pinfo d.items')
d.items()
d.keys()
d.values()
d.items()
get_ipython().magic(u'pinfo dict')
dict([('a', 1), ('b', 2)])
d.items()
get_ipython().magic(u'pinfo dict')
dict(one=1, two=2)
dict(3=3)
for something in d:
    print something
d
get_ipython().magic(u'pinfo d.items')
get_ipython().magic(u'pinfo d.iteritems')
get_ipython().magic(u'pinfo d.viewitems')
get_ipython().magic(u'pinfo d.clear')
d
d.clear()
d
get_ipython().magic(u'pinfo d.copy')
get_ipython().magic(u'pinfo d.fromkeys')
dict.fromkeys([1,2,3])
get_ipython().magic(u'pinfo d.pop')
d.popitem
get_ipython().magic(u'pinfo d.popitem')
get_ipython().magic(u'pinfo d.update')
get_ipython().magic(u'pinfo d.update')
d
d = {'foo': 1, 'bar': 2}
overrides = {'foo': 4}
d.update(overrides)
d
get_ipython().magic(u'pinfo input')
get_ipython().magic(u'pinfo raw_input')
fname = raw_input("Please type a last name: ")
fname
dict = {'foo': 1}
dict
list = [1,2,3]
{}
__builtin__
dir(__builtin__)
dict = __builtin__.dict
dict()
list = __builtin__.list
for = 1 
import keyword
keyword.kwlist
import classmates4
'{1} {0}' % ('a', 'b', 'c')
'{1} {0}' % ('a', 'b'))
'{1} {0}' % ('a', 'b')
'{1} {0}'.format('a', 'b')
"%(fname)s %(lname)s" % {'fname': 'bob', 'lname': 'wills', 'role': 'hang gliding legend'}
get_ipython().magic(u'pinfo str.format')
set()
set([1,2,3])
set([1,2,3, 1])
x = set([1,2,3])
y = set([3, 4, 5])
x.pop>
get_ipython().magic(u'pinfo x.pop')
x.add(0)
x
x.add(4)
x
get_ipython().magic(u'pinfo x.remove')
x.remove(4)
x.remove(5)
x
x 
y
x & y
x.intersection(y)
x | y
x ^ y
x
get_ipython().magic(u'pinfo x.intersection')
x.intersection_update
get_ipython().magic(u'pinfo x.intersection_update')
get_ipython().magic(u'pinfo x.update')
lst = range(10
)
lst.append(3)
lst.append(4)
lst
lst = list(set(lst))
lst
x ^ y
x
y
x.difference(y)
x
x.symmetric_difference(y)
import collections
get_ipython().magic(u'pinfo collections')
tup = (1, 2)
x = tup[0[
]
x = tup[0]
y = tup[1]
(x, y) = tup
x
y
x, y = tup
x
None
d(x=None)
dict(x=None)
d = dict(x=None)
d.get('x')
d.get('x', -1)
d['python'] = 2
d
python = "ten"
d[python] == d['python']
python
x = d
get_ipython().magic(u'pinfo list')
astring = "Simeon"
lst = list(astring)
lst
lst[0] = "s"
lst
str(lst)
len(str(lst))
get_ipython().magic(u'pinfo str.join')
lst
"".join(lst)
",".join(lst)
csv = ",".join(lst)
csv
list(csv)
get_ipython().magic(u'pinfo str.split')
csv
csv.split(",")
d
d.values()
d['fname'] = "simeon"
d['lname'] = 'franklin'
d['role'] = 'h2'
d
del(d['python'])
d
d.keys()
d.values()
lst2 = []
for val in d.values():
    if val:
        lst2.append(val)
",".join(lst2)
get_ipython().magic(u'pinfo filter')
filter(None, d.values())
get_ipython().magic(u'pinfo list')
list((1,2))
list("asdf")
list(d))
list(d)
d
lst = range(10, 20)
lst
for num in lst:
    if num % 2 == 0 and num % 10 == 0:
        print num
for num in lst:
    if not (num % 2 == 0 and num % 10 == 0):
        continue
    print num
get_ipython().magic(u'hist ')
for num in lst:
    if not (num % 2 == 0 and num % 10 == 0):
        break
    print num
lst
def foo(x, y):
    pass
def foo(x, y):
    return x + y
foo(4, 5)
foo("asdf", "bar")
x = foo("asdf", "bar")
type(x)
repr(x)
x
print d
d.__repr__()
repr(x)
get_ipython().magic(u'hist ')
def add(x, y):
    return x + y
add(4, 3)
x = 10
y = 12
add(2, 4)
add()
add(1)
add(1, 2, 3)
def sub(x, y=0):
    return x - y
sub(3)
get_ipython().magic(u'pinfo sum')
get_ipython().magic(u'pinfo any')
get_ipython().magic(u'pinfo all')
sum([1,2,3])
get_ipython().magic(u'hist ')
sub(x)
sub(10)
sub(10, 11)
sub(10, y=11)
sub(x=10, y=11)
sub(y=11, x=10)
def somefoo(data, a=None, b=None, c=None):
    	returns sum(data)
def somefoo(data, a=None, b=None, c=None):
    	return sum(data)
somefoo([1,2], c=-1)
somefoo([1,2]))
somefoo([1,2])
def somefoo(*args):
    print args
somefoo()
somefoo(3)
somefoo(3, 4)
somefoo(3, 4, 23)
somefoo(3, 4, 23, 12)
def sub(x, y):
    return x - y
sub(4, 5)
lst = range(5, 7)
lst
sub(lst[0], lst[1])
sub(*lst)
lst.append(10)
sub(*lst)
sub(lst[0], lst[1], lst[2])
def sub(x, y=0):
    return x - y
sub(4)
def sumargs(*args):
    return sum(args)
sum([1, 2, 3])
sumargs(1, 2, 3)
sumargs(1, 2, 3, 34e)
sumargs(1, 2, 3, 34)
def sumargs(x, *args):
    print x
    print args
    
sumargs()
sumargs(1)
sumargs(1, 3)
sumargs(1, 3, 3)
sumargs(1, 3, 3, 12)
import classmates5