Python Join Operation
The Python join() method is used to join or concatenate two or more strings. It takes an iterable of strings and returns a single string.
Syntax
string_name.join(iterable)
Here, string_name
is the string to be used as the separator and iterable
is the iterable object like list, tuple, etc.
Example
# Concatenate a list of strings with space separator
my_list = ['Hello', 'world', 'in', 'Python']
output = ' '.join(my_list)
print(output)
Output
Hello world in Python
Explanation
In the above example, the join()
method is used to concatenate the list of strings with space as a separator. The join()
method takes an iterable (list in this case) as an argument and returns a string.
Use
The join()
method is useful in concatenating strings or creating a sentence from a list of words.
Important Points
- The
join()
method can only be used with string data types. - The separator can be any string, not just a space. It can also be a comma, hyphen, etc.
- The
join()
method is often used to create a CSV (Comma Separated Values) file from a list of data.
Summary
In summary, the join() method is a simple and efficient way of concatenating strings or creating a sentence from a list of words.