12.5字典生成式

l1 = ['name','password','hobby']
l2 = ['jason','123','DBJ','egon']
#
d = {}
for i,j in enumerate(l1):
    print(i,j)
    d[j] = l2[i]
print(d)

#
l3 = ['jason','123','read']
d1 = {i:j for i,j in enumerate(l3) if j != '123'}
d2 = {i:j for i,j in enumerate(l1) if j != '123'}
print(d1,d2)


res = {i for i in range(10) if i != 4}
print(res)
res1 = (i for i in range(10) if i != 4)  # 这样写不是元组生成式 而是生成器表达式
# print(res1)
# for i in res1:
#     print(i)