![]() For example, we can convert any Python objects such as list, dict into a character stream using pickling. Python pickle module is used for serializing and de-serializing a Python object. # list of namesįp.write("\n".join(str(item) for item in names)) Pickle module to write (serialize) list into a file If you want to convert all items of a list to a string when writing then use the generator expression. The join() method will join all items in a list into a string, using a \n character as separator (which will add a new line after each list item). In this example, we are using a join method of a str class to add a newline after each item of a list and write it to a file. Output: Write a list to file without using a loop # linebreak is the last character of each line With open(r'E:\demos\files_demos\account\sales.txt', 'r') as fp: # open file and read the content in a list Now, Let’s see how to read the same list from a file back into memory. Text file after writing Python list into it Example to Read List from a File in Python Note: We used the \n in write() method to break the lines to write each item on a new line. With open(r'E:/demos/files_demos/account/sales.txt', 'w') as fp: Use file close() method to close a file.Įxample to Write List to a File in Python # list of names When we complete writing a list to a file, we need to ensure that the file will be closed properly. Close file after completing the write operation.we will repeat this step till the last item of a list. Use the write('text') method to write the current item to a file and move to the next iteration. In each loop iteration, we get the current item from the list. We iterate the list so that we can write each item of a list into a file. Use for loop to iterate each item from a list. The access mode opens a file in write mode.įor example, fp= open(r'File_Path', 'w'). ![]() Pass file path and access mode w to the open() function. The below steps show how to save Python list line by line into a text file. Python offers the write() method to write text into a file and the read() method to read a file.
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