问使用items()和enumerate()进行Python列表理解ENAPI enumerate(sequence, [start=0]) Args sequence – 一个序列、迭代器或其他支持迭代对象。 start – 下标起始位置 Returns 返回 enumerate(枚举) 对象。 示例 将 enumerate(枚举)对象 存在一个list中返回： seq = ['Spring', 'Summer', 'Fall', 'Winter'] print list(enumerate...
Python >>>forcount,(one,two,three)inenumerate(zip(first,second,third)):...print(count,one,two,three)...0 a d g1 b e h2 c f i In theforloop in this example, you nestzip()insideenumerate(). This means that each time theforloop iterates,enumerate()yields a tuple with the first...
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namesforif.append(name) namesCompreif = [iforiinnamesifi.endswith("z")]print(f"常规筛选方法{namesforif},列表解析式方法{namesCompreif}。") 常规筛选方法['fyz'],列表解析式方法['fyz']。 Enumerate 函数 names = ["fyz","yjk","xhr","zc"]fori, nameinenumerate(names):print(i, name) 0...
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The enumerate() function in Python has two parameters: iterable (required): This is the sequence that you want to iterate over. It can be any iterable object, such as a list, tuple, string, or dictionary. start (optional): This is an integer value that specifies the starting value of ...
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This is a modal window. No compatible source was found for this media. In the below example, we are creating a list of tuples and applying the enumerate() function to display all the elements of the list. fruits=[(8,"Grapes"),(10,"Apple"),(9,"Banana"),(12,"Kiwi")]forindex,(...