.split()
.splitlines()
.rsplit()
list_variable = string_variable.split(sep)
sep is an optional parameter, if a character is given, the string_variable will be split on that character
.split() Example:
data before :
This is a file with many words
and many lines
data = data.split()
data after
['This', 'is', 'a', 'file', 'with', 'many', 'words', 'and', 'many', 'lines']
Notice: the data started as a string and was converted into a list