2.8版本
d = {
'Adam': 95,
'Lisa': 85,
'Bart': 59
}
for x in d:
print x + ':' + str(d.get(x))
d = {
'Adam': 95,
'Lisa': 85,
'Bart': 59
}
for x in d:
print x + ':' + str(d.get(x))
2017-03-24
>>> [i*100+j*10+k for i in range(1,10) for j in range(0,10) for k in range(0,10) if i==k]
2017-03-24
sum = 0
x = 1
n = 1
while True:
sum = sum + x
x = x + x
n = n + 1
if n > 20:
break
print sum
x = 1
n = 1
while True:
sum = sum + x
x = x + x
n = n + 1
if n > 20:
break
print sum
2017-03-24
tuple()->empty tuple
tuple(iterable)->tuple initialized from iterable's items,but tuple() takes at most 1 argument
tuple(iterable)->tuple initialized from iterable's items,but tuple() takes at most 1 argument
2017-03-24
for name in L:
print name
name 这个变量是在 for 循环中定义的，意思是，依次取出list中的每一个元素，并把元素赋值给 name，然后执行for循环体
print name
name 这个变量是在 for 循环中定义的，意思是，依次取出list中的每一个元素，并把元素赋值给 name，然后执行for循环体
2017-03-23
age=20
if age>=18:
print 'adult'
elif age>=6:
print 'teenager'
else:
print 'kid'
if age>=18:
print 'adult'
elif age>=6:
print 'teenager'
else:
print 'kid'
2017-03-23
def average(*args):
return sum(args)*1.0/(len(args) or 1)
return sum(args)*1.0/(len(args) or 1)
2017-03-23
