join() function in Python
The join() method is a string method and returns a string in which the elements of sequence have been joined by str separator.
Syntax:
string_name.join(iterable)
string_name: It is the name of string in which
joined elements of iterable will be
stored.
Parameters: The join() method takes iterable – objects capable of returning its members one at a time. Some examples are List, Tuple, String, Dictionary and Set
Return Value: The join() method returns a string concatenated with the elements of iterable.
Type Error: If the iterable contains any non-string values, it raises a TypeError exception.
Below program illustrates the working of join() method:
# Python program to demonstrate the# use of join function to join list# elements with a character. list1 = ['1','2','3','4'] s = "-" # joins elements of list1 by '-'# and stores in sting ss = s.join(list1) # join use to join a list of# strings to a separator sprint(s) |
Output:
1-2-3-4
Joining with empty string.
# Python program to demonstrate the# use of join function to join list# elements without any separator. # Joining with empty separatorlist1 = ['g','e','e','k', 's'] print("".join(list1)) |
Output:
geeks
