Running these examples will create a new file in your workspace or directory.
# opens an existing text (TXT) file with overwrite permission
f = open("existing_file.txt", "w") # opens an existing CSV file and reads the content
f = open("existing_file.csv", "r") # creates new txt file with write permission
f = open("new_file.txt", "w") # creates new CSV file without write privileges
f = open("new_file.csv", "x")