Arguments and naming

Questions 1 to 5 of 6

1. 1. Which of these raises a ValueError?

   int(' 42')int('+5')int('4.5')int('-17')
2. 2. Which of these is a legal variable name in Python?

   2fastclass_sizemy-scoreclass
3. 3. What happens when this runs? ``python print('total: ' + 0 + 12) ``

   Prints total: 012Prints total: 12Prints total: 0 12Raises TypeError: can only concatenate str (not "int") to str
4. 4. A user runs python3 main.py 4.5 with this code. What happens? ``python import sys n = int(sys.argv[1]) print(n) ``

   It stops with ValueError: invalid literal for int() with base 10: '4.5'It prints 4It prints 4.5It stops with IndexError: list index out of range
5. 5. When the user runs python3 greet.py Ana Lee, what is sys.argv[1]? Give the text only.

   Type your answer.