Python之Dict和Set类型

d = {
 'Adam': 95,
 'Lisa': 85,
 'Bart': 59,
 'Paul': 75
}

d = {
 'Adam': 95,
 'Lisa': 85,
 'Bart': 59
}
print 'Adam:', d['Adam']
print 'Lisa:', d['Lisa']
print 'Bart:', d['Bart']

d = {
 95: 'Adam',
 85: 'Lisa',
 59: 'Bart'
}

d = {
 95: 'Adam',
 85: 'Lisa',
 59: 'Bart'
}
d[72] = 'Paul'

d= {
 'Adam': 95,
 'Lisa': 85,
 'Bart': 59
}
for key in d:
 print key + ':', d[key]

s = set(['Adam', 'Lisa', 'Bart', 'Paul'])

s = set(['Adam', 'adam', 'Lisa', 'lisa', 'Bart', 'bart', 'Paul', 'paul'])
print 'adam' in s
print 'bart' in s

months = set(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'])
x1 = 'Feb'
x2 = 'Sun'
if x1 in months:
 print 'x1: ok'
else:
 print 'x1: error'
if x2 in months:
 print 'x2: ok'
else:
 print 'x2: error'

s = set([('Adam', 95), ('Lisa', 85), ('Bart', 59)])
for x in s:
 print x[0] + ':', x[1]

s = set(['Adam', 'Lisa', 'Paul'])
L = ['Adam', 'Lisa', 'Bart', 'Paul']
for name in L:
 if name in s:
 s.remove(name)
 else:
 s.add(name)
print s