selfteaching / selfteaching/selfteaching-python-camp
Day05 字符串的基本处理中所有单词按 a…z 升序排列不理解
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Description
a=new3_str.split()
b=sorted(a)
new4_str=' '.join(b)
print (new4_str)
这个代码中，new4_str=' '.join(b)是什么意思？
我明白的是：str.split(sep=None, maxsplit=-1) 是返回一个由字符串内单词组成的列表；sorted(iterable, *, key=None, reverse=False) 根据 iterable 中的项返回一个新的降序列表。
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Research direction
Start with the shown new4_str=' '.join(b) expression and consult Python's string join documentation. Run the provided snippet to observe the resulting string, then document what the expression does and how it relates to split() and sorted().
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- Tech stack
- python
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- documentation
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