6 Hours of python

How do you print the same text multiple times?

By using a * and a number

eg. Print(“Gyat” * 3)

What are the 4 main variable types

integer - whole numbers (eg 1, 2, 3)

float - decimal points (eg 1.0, 2.5, 3.69)

string - text (eg hello world)

boolean - true or false

What must you be careful when using if else statements?

There is a colon (:) (and therefore indentation)

What is the difference between , and + when using the print function?

A comma will cause a space between the values vbeing printed whereas a + will cause them to print directly next to eachother

How do you limit the number of decimal points in Python?

By using the round fucntion (literally “round()”) or %.f

What is the difference between / and // (arithmic)

/ will give a float while // gives an intiger

What does % do (arithmic)

Gives the remainder of the devision

What is the difference between * and **

• * multiplies while ** makes it to the power

How do if, elif and else statements work together?

If condition 1 is true

do…

elif condition 2 is true ( and 1 is false)

do…

else (both condition 1 and 2 false)

do…

What does the “not” opetation do?

Converts boolean variables to the opposite (E.g true=flase)

What is the greater/less than or equal to sign in python

>= / <=

What does the len() function do?

Gives the number of characters

How do i make an input not case sensetive

lowercase_input = user_input.lower()

(The variable is equal to the previous input but it is not all lower case, the same can be done with .upper())

When using the print function, what foes f before quotation marks do?

print(f”text”) allows for variables to be placed inside the quotation marks as lond as they are in {curlyBrackets}

what does != mean?

not equal to ( while != “pink”, do …)

What is the difference between the first codes?

The second code with the indentation will print the total each time it adds a number while the first code will print the sum of all the numbers

Will x or y reach 1 first?

y (will reach 1 first)

How do you make a system that will print the highest number?

(using a nested loop)

What are the 2 ways to check if a number is in the list?

The ‘in’ operator - will provide a boolean value (true/false)

Or using .index - will provide the first location of the number (eg if the number comes up twice in a list it will only show the first location)

What is the difference between lists and tuples

Tuples cant be ammended

What is the shorthand was of (image)

x,y,z = coordinates

What is def used for in python? and how would it be used

To define a function, will allow a function to be “used” whenever the variable name is called upon

What do the peramiters in def() do?

They act as variables, which have to be given a value

What is the except function used for?

To help debug code/ prevent if from crashing

What are classes used for in python?

To define new types

What is PascalCase

A naming convention where every first letter of the word is capitalised

How do you make a class inherit all the code from another class?

class newVariable(inheritingVariable)

What are modules used for?

To organise code into multiple sections