# Create an empty dictionary
eng2sp = dict()
eng2sp = {}     # equivalent
print eng2sp

eng2sp['one'] = 'uno'
print eng2sp

eng2sp['two'] = 'dos'
print eng2sp

eng2sp = {'one': 'uno', 'two': 'dos', 'three': 'tres'}
print eng2sp

eng2sp = dict([('one', 'uno'), ('two', 'dos'), ('three', 'tres')])
print eng2sp

eng = ['one', 'two', 'three']
sp = ['uno', 'dos', 'tres']
dict(TODO)

{e:s for e,s in zip(eng, sp) if 'e' in e}

eng2sp['three']

eng2sp['five']

if 'five' in eng2sp:
   print eng2sp['five']

print eng2sp.get('five', "sorry -- no spanish")

6 in [4,5,6,7]
True

'two' in {'one':'uno', 'two':'dos', 'three':'tres'}

'dos' in {'one':'uno', 'two':'dos', 'three':'tres'}

# Let's add some new value
eng2sp['five'] = 'cinco'
print eng2sp

del eng2sp['five']
print eng2sp

eng2sp['five'] = 'cinco'
five_sp = eng2sp.pop('five')
print five_sp
print eng2sp

print eng2sp.keys()

print eng2sp.values()

print eng2sp.items()

'dos' in {'one':'uno', 'two':'dos', 'three':'tres'}.values()

def histogram(seq):
    d = dict()
    for element in seq:
        if element not in d:
            d[element] = 1
        else:
            d[element] += 1
    return d

h = histogram('brontosaurus')
print h

def print_hist(hist):
    for key in hist:
        print key, hist[key]

h = histogram('brontosaurus')
print_hist(h)

def print_hist(hist):
    for key, value in hist:
        print key, value

h = histogram('brontosaurus')
print_hist(h)

def print_hist(hist):
    for key in sorted(hist.keys()):
        print key, hist[key]

h = histogram('brontosaurus')
print_hist(h)

def invert_dict(d):
    # TODO magic, try to come up with 1 line solution

sp2eng = invert_dict(eng2sp)
assert(sp2eng == {'dos': 'two', 'tres': 'three', 'uno': 'one'})

# some function, this one is just for example
def func(x, param=0):
    print "got x=%s param=%s" % (x, param)
    
# another function which passes majority or all arguments
# into func
def func2(a, *args, **kwargs):
    print a, args, kwargs
    func(*args, **kwargs)


func2(1, 'three')
func2(1, 'four', param="123")