语法:for each in dict1.items(): (或者 for key,value in dict1.items():) dict1 = {"name": "jay", "age": 28, "hobby": "sing"} for each in dict1.items():#遍历所有的键值对 print(each) for key,value in dict1.items(): print('key:valuse是{}'.format(key,value)) """ ('...
语法:for each in dict1.items(): (或者 for key,value in dict1.items():) dict1 = {"name":"jay","age": 28,"hobby":"sing"}foreachindict1.items():#遍历所有的键值对print(each)forkey,valueindict1.items():print('key:valuse是{}'.format(key,value))""" ('name', 'jay') ('age...
Cloud Studio代码运行 tinydict={'Name':'郑晖','Age':18,'Class':'腾讯云社区'}forkeyintinydict:print(key) 只遍历值: 代码语言:python 代码运行次数:4 复制 Cloud Studio代码运行 tinydict={'Name':'郑晖','Age':18,'Class':'腾讯云社区'}forvalintinydict.values():print(val) 同时遍历值和键: 代...
data_dict3 = data_dict2.copy() #深拷贝 data_dict4 = copy.deepcopy(data_dict2) print(f"{data_dict2.keys()} {id(data_dict2.keys())} {data_dict2[1]} {id(data_dict2[1])} {data_dict2[1][0]} \ {id(data_dict2[1][0])} {data_dict2[1][1]} {id(data_dict2[1][1]...
for key in d.keys(): print(key, '=>', d[key]) 4、通过dict对象的values()遍历value dict对象的values()方法,Python2和Python3都是支持的。 d = {'C': 11, 'Java': 22, 'Python': 33, 'CJavaPy': 44}for val in d.values(): print(val)...
print('Key: %s has value: %s' % (key, val)) 输出: Key: a has value: 1Key: b has value: 1.2Key: c has value: 1j exercise Compute the decimals of Pi using the Wallis formula: 输入: def wallis(n): pi = 2. for i in range(1, n): ...
因为Python 3.5以及之前的版本的dict是无序的，相对而言，遍历key比遍历value听上去更加靠谱一些。
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---title: python循环tags: 笔记categories: 笔记author: 喵雨date: 2022-06-23 10:56:42coverImg:...
for key, value in kwargs.items(): setattr(self, key, value) # Change the objects state. self.notify() # Notify all observers of the change in state. # Will call the update method of each attached observer with kwargs that come # from this objects __dict__ attribute, minus any priv...