join() is an in-built method in Python and it is used to join elements of the list, string etc with the given str separator.

join()是Python中的一种内置方法，用于通过给定的str分隔符连接列表，字符串等元素。

Note: Method is called with the separator and as arguments elements are provided, then the final (returned) string is a joined string by the separator string.

注意：方法是使用分隔符调用的，并提供了arguments元素，然后最后一个(返回的)字符串是分隔符字符串连接的字符串。

Syntax:

句法：

String.join(iterable)

Example 1: Joining string with hyphen ('-') character

示例1：使用连字符('-')连接字符串

# s as separator string s = "-"# str as sequence of stringsstr = ("Hello", "World", "How are?")# join and print the stringprint (s.join(str))

Output

输出量

Hello-World-How are?

Example 2: Joining string with spaces, a student detail is provided as string sequences

示例2：将字符串与空格连接，将学生详细信息作为字符串序列提供

# s as separator string (contains - space)s = " "# a student detailsfirst_name = "Amit"second_name = "Shukla"age = "21"branch = "B.Tech"# creating string sequencesstr = (first_name, second_name, age, branch)# value of str before joiningprint "str before join..."print (str)# join and print the stringprint "str after join..."print (s.join(str))

Output

输出量

str before join...    ('Amit', 'Shukla', '21', 'B.Tech')    str after join...    Amit Shukla 21 B.Tech

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