basically a try and except is like an if and else…kinda except that when you try if it doesn’t raise an exception it excecutes the try code block but when it fails it’ll execute the except block for example a = [1,2,3,4,”hello”] for i in a: try: print(i) i + 1 except: print(“nope ” + … Read more
Some questions like that should really be accompanied by the real intention behind the code. The reason is that some problems should be solved completely differently. In the body of the script, the return can be used to quit the script. From another point of view, you can just remember the situation in a variable … Read more
There must be a more elegant answer to that but you can do : def extract_values(values): try: first = values[0] except IndexError: first = None try: second = values[1] except IndexError: second = None try: third = values[3] except IndexError: third = None return first, second, third 2 solved How to catch specific index error … Read more
inventory = {847502: [‘APPLES 1LB’, 1.99, 50], 847283: [‘OLIVE OIL’, 10.99, 100], 839529: [‘TOMATOS 1LB’, 1.29, 25], 483946: [‘MILK 1/2G’, 3.45, 35], 493402: [‘FLOUR 5LB’, 2.99, 40], 485034: [‘BELL PEPPERS 1LB’, 1.35, 28], 828391: [‘WHITE TUNA’, 1.69, 100], 449023: [‘CHEESE 1/2LB’, 4.99, 15]} while True: try: upc_input = int(input(‘Enter a UPC number: ‘)) break except … Read more