CS 1301 Study Guide - Midterm Guide: Decimal Mark, Yelp, File Descriptor

• School: Georgia Tech
• Department: Computer Science
• Course: CS 1301
• Professor: Melinda H Mc Daniel

Document Summary

#topics: tuples, file i/o, lists, aliases and clones, dictionaries, modules. #clone- if making close and you change one, it does not change the other. #alias- if making alias and change one, changes the other. #comma separated sequence of values; empty tuple () #dict. keys(), dict. values(), dict. get(key, default = none0, dict. items(), doct. has_key(key) #dict. get(key, default = none) --> finds key and returns value; if no key, will return 2nd parameter. #file handle- assigned open function to file handle; used to manipulate file. #handle. readline() - reads one more line everytime it is called. #handle. readlines()- reads each line of file into separate string and stores all. #if file doesn"t exist, creates file; if file does exist, will erase everything. #if file doesn"t exist, makes file; if file exists, adds to end of file. #text files - simplified down version of word files. #csv files- uses /split(",") to get information; simplified version of excel files. #import random --> randgen = random. random()- random float.