x = dict(a = 1, b = 2, c = 3, d = 2, e = 4, f = 3)
y = ______ #存放无重复值的新字典初始化
for key, value in x.items(): #遍历字典x的键值对
for v in y.values(): #遍历y的各个值
if v == value: #比较值是否相等
_______
else:
y[key] = _____ #y字典追加新键值对
print(y)
对字典进行消除重复值,请问这些空该怎么填
消除重复指的是把两个都消掉吗?还是保留第一个或者第二个?
#!/usr/bin/python
# -*- coding: UTF-8 -*-
"""
@author: Roc-xb
"""
if __name__ == '__main__':
x = dict(a=1, b=2, c=3, d=2, e=4, f=3)
y = {}
for key, value in x.items(): # 遍历字典x的键值对
for v in y.values(): # 遍历y的各个值
if v == value: # 比较值是否相等
break # 如果相等,跳出内层循环
else:
y[key] = value # y字典追加新键值对
print(y)
楼主应该先把 y 的值写出来,现在看你说的有歧义,主要就是if语句中使用continue和break的区别
x = dict(a = 1, b = 2, c = 3, d = 2, e = 4, f = 3)
y = {} #存放无重复值的新字典初始化
for key, value in x.items(): #遍历字典x的键值对
for v in y.values(): #遍历y的各个值
if v == value: #比较值是否相等
continue
else:
y[key] = value #y字典追加新键值对
print(y)