What does join mean in python?

There are two functions .join() and os.path.join() in Python. Their specific functions are as follows:

. join(): Connection String array. Concatenate elements in strings, tuples, and lists with specified characters (delimiters) to generate a new string

os.path.join(): Return after combining multiple paths (Recommended learning: Python Video Tutorial)

>>#对序列进行操作（分别使用'  ' 、' - '与':'作为分隔符）
>> a=['1','2','3','4','5']
>> '  '.join(a)
1 2 3 4 5
>>';'.jion(a)
1-2-3-4-5
>>'.'.join(a)
1.2.3.4.5
>>#对字符串进行操作（分别使用'  ' 、' - '与':'作为分隔符）
>>b='hello world'
>> '  '.join(b)
h e l l o   w o r l d
>>'-' .join(b)
h-e-l-l-o- -w-o-r-l-d
>>':'.jion(b)
h:e:l:l:o: :w:o:r:l:d
>>#对元组进行操作（分别使用'  ' 、' - '与':'作为分隔符）
>>c=('1','2','3','4','5')
>>'  '.join(c)
1 2 3 4 5
>>'-'.join(c)
1-2-3-4-5
>>':'.join(c)
1:2:3:4:5
>>#对字典进行无序操作（分别使用'  ' 、' - '与':'作为分隔符）
>>d={'name1':'a','name2':'b','name3':'c','name4':'d'}
>>'  '.join(d)
name1 name2 name3 name4
>>'-'.join(d)
name1-name2-name3-name4
>>':'.join(d)
name1:name2:name3:name4
>>#对目录进行操作
>> import os
>>os.path.join('/hello/','good/date','datbody')
hello/good/date/datbody

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