Python Final Exam Study Questions with complete solutions merged 2024

Output file - a file that data is written to Input file - a file that data is read from Three steps when a program uses a file - Open the file Process the file Close the file Text file - contains data that has been encoded as text Binary file - contains data that has not been converted to text Sequential access - file read sequentially from beginning to end, can't skip ahead Direct access - can jump directly to any piece of data in the file Filename extensions - short sequences of characters that appear at the end of a filename preceded by a period File object - an object that is associated with a specific file and provides a way for the program to work with that file open function - -used to open a file -creates a file object and associates it with a file on the disk -general format: file_object = open(filename, mode) Mode - string specifying how the file will be opened ('r' for reading a file, 'w' for writing, and 'a' for appending) Method - a function that belongs to an object and performs operations using that object write method - -used to write data to the file -format: file_(string) close method - -used to close a file -format: file_() read method - -file object method that reads entire file contents into memory -only works if file has been opened for reading -contents returned as a string readline method - -file object method that reads a line from the file -line returned as a string, including 'n' string - a sequence of characters that is used as data read position - marks the location of the next item that will be read from the file rstrip method - string method that strips specific characters from end of the string str function - converts value to string (numbers must be converted to strings before they are written to a file) for loop to read each line - Format: for line in file_object: statements Record - set of data that describes one ite