python quiz #1 review

import turtle

#Use of main function
def main():
    #Strings
    x = "hello"
    x = 'hello' #' and " do the same thing
    x = """hello my\nname is\ntamsen""" #"""creates multiple line string, \n is a new line
    #https://www.programiz.com/python-programming/methods/string <-- methods

    #Creating Variables
    x = True #bool
    x = False
    x = 1 #int
    x = 1.1 #float
    x = "hello" #string
    x = [1, 2, 3] #list
    #variables' types can change
    #http://developer.rhino3d.com/guides/rhinopython/python-datatypes/ <-- more in depth

    #user input
    name = input("what is your name?")
    number = input("type a number")
    number = int(number) #input() takes in everything as a string so you have to convert it if you want a dif. type
    #you can do things like int(var), bool(var), float(var), etc to convert

    #For loops (various ways to do it), each prints 3 times
    for i in range(3):
        print("hello")
    for i in range(1,4):
        print("bonjour")
    for i in range(1,7,2):
        print("hallo")
    #range explanation: https://www.pythoncentral.io/pythons-range-function-explained/
    for i in [1, 2, 3]:
        print("hola")

    #Lists
    x = [1, 2, 3]
    y = x[0] #indexes are the same as they are in java
    y = x[-1] #-1 is the end of a list (going left from 0)

    #Turtle Class (import statement at the top of the module)
    #https://docs.python.org/3.3/library/turtle.html?highlight=turtle <-- documentation w/ methods
    wn = turtle.Screen()
    t = turtle.Turtle()
    #^^ always need these two methods at the beginning 3(names are changeable tho)
    wn.exitonclick() #end turtle programs with this

    #Converting from integer to binary to List
    x = 5
    print(bin(x)) #x goes from 5 to 0b101 (which is a string). the 0b represent that it's in binary, and the 101 is 5 in binary
    print(bin(x)[2:]) #to get rid of the 0b
    y = bin(x)[2:]
    y = list(y) #turns 101 into a list where each number is one index - ['1', '0', '1']
    print(y)

    #creating functions
    def hello():
        print("hello")
    hello()

if __name__ == "__main__": #runs the main function. fun fact idk how it works so don't ask me
    main()