Basics

Question 1

Escaping characters: how do you stop an apostrophe in a work (like there’s) breaking your code?

Answer 1

Add in a backslash before the apostrophe, e.g. ‘This isn't flying, this is falling with style!’

Question 2

How do you raise a number to the power of another number?

Answer 2

using two asterisks e.g. 3 ** 2 = 9

Question 3

when counting the indices of a string in python, what number do you start from?

Answer 3

0

Question 4

If x = 3 how would you tell the computer to print x?

Answer 4

print(x) [note the brackets are important]

Question 5

What is a string? How do you create them?

Answer 5

Text. By enclosing characters in quotes

Question 6

How do you make a string completely lower case?

How do you make a string completely upper case?

Answer 6

string. lower()

string. upper()

Question 7

How do you turn a non string into a string?

Answer 7

using str() 
e.g. str(2) = "2"

Question 8

Methods that use dot notation only work with strings?

Answer 8

True

Question 9

What does the command len() do?

Answer 9

Returns the length (the number of items in an object)

Question 10

What do each of these comparitors mean?

1. (==)
2. (!=)
3. ()
4. (>=)

Answer 10

1. Equal to
2. Not equal to
3. Less than
4. Less than or equal to
5. Greater than
6. Greater than or equal to

Question 11

What is a Boolean?

Answer 11

A data type that can only have two values True or False.

Question 12

What are the three Boolean operators and what do they do?

Answer 12

and - checks if both the statements are true

or - checks if at least one of the statements are true

not - gives the opposite of the statement

Question 13

What does % do?

Answer 13

It is used to find the modulus of two integers. For example 10 % 4 would divide 10 by 4 and return a remained of 2

Question 14

How do you add an item to the end of a list?

Answer 14

using .append

e.g. nums = {1, 2, 3]
nums.append(4)
print(nums)

> > > [1, 2, 3, 4]