字典的操作在编写程序时比较常见，下面的操作是字典快速赋值比较有用：快快学起来吧

1.字典赋值默认值

a = ["a","b","c","d","e"]
d = dict.fromkeys(a, 0);
print(d) #结果：{'a': 0, 'b': 0, 'c': 0, 'd': 0, 'e': 0}

2.字典解压赋值

l = [1,2,3,4,5]
dz = dict(zip(a,l))   #使用zip
print(dz) #结果：{'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5}