what is the use of split function in python code example

Example 1: split string python

string = 'James Smith Bond'
x = string.split(' ') #Splits every ' ' (space) in the string to a list
# x = ['James','Smith','Bond']
print('The name is',x[-1],',',x[0],x[-1])

Example 2: split string python

file='/home/folder/subfolder/my_file.txt'
file_name=file.split('/')[-1].split('.')[0]