xxx生成式

def max2(x,y):
    if x > y:
        return x
    else:
        return y

res = x if x>y else y

l=[]
for i in range(1,11):
    if i > 4:
        res=‘egg%s‘ %i
        l.append(res)
print(l)

l=[‘egg%s‘ %i for i in range(1,11) if i > 4]

res=(i**2 for i in range(3))
print(res)
print(next(res))
print(next(res))
print(next(res))
print(next(res))

items=[(‘name‘,‘egon‘),(‘age‘,18),(‘sex‘,‘male‘)]

dic={}
for k,v in items:
    dic[k]=v
print(dic)

res={k:v for k,v in items if k != ‘sex‘}