ERCEC Coding Bootcamp: Day 2

What is a string in python?

• A thin rope

• A sequence of characters

• Numbers

• All of the above

38 < 38

• True

• True/False

• False

• None of the above

Today is day 2 of our coding bootcamp at ERCEC and we have been learning to program using ______

What is programming?

• Writing code on a computer

• Writing computer instructions

• Writing computer instructions using a programming language on a code editor

• All of the above

The function len() achieves what?

• Gives the meaning of a string

• Gives the length of a string

• Gives the number of characters in a string

• None of the above

Answer explanation

The length of a string is the number of characters contained in the string.

print("Hello world'

What is the problem with the above code?

• Letter "p" is not capitalised

• Letter "w" is not capitalised

• The speech marks are not the same

• The closing bracket is not present

How is a list written in python?

• ["Jane", 78, 98, "Anna"]

• ("Jane", 78, 98, "Anna")

• {"Jane", 78, 98, "Anna"}

• "Jane", 78, 98, "Anna"

message = "Hello and welcome to ERCEC"

for letter in message:

....print(letter)

What would the given code achieve?

• It would print out the number of characters in message

• It would print out every character in message

• It would print out the message

• It would do all of the above

A bug is ...

• An error in your code that will make your program not execute well

• A small animal that causes disturbance

• A mistake that has been made on the syntax of the program

• All of the above

For strings, the + operator represents

• Concatenation

• Addition

• Appending

• Recantation

Answer explanation

When used with numbers, + represents numerical addition, but with strings, it achieves concatenation. Concatenation is when strings are joined together i.e "Hel" + "lo" => "Hello"