basics.py

basics.py

#!/usr/bin/env python3

### TYPES ... see: https://www.w3schools.com/python/python_datatypes.asp

# Integer:
my_number = 33

# Float
my_float = 33.33

# String
my_name = "Doctor Who"

# list
my_list = [1, 2, 2, 3, 4, 4, "a", "a", "b", "c",] #  mutable

# tuple
my_tuple = (1, 2, 3, 4, 5, 6, "a", "b", "c",) #  immutable

# dict
my_dict = {"first_name": "Doctor", "last_name": "Who",}

# set
my_set = set(my_list) #  removes all duplicates

# Boolean
is_program = True
is_elephant = False

# null or None
my_money = None

# Binary types: bytes, bytearray, memoryview TBD


# function:
def print_stuff(name, fav_number):
    """
    This is a `docstring` comment that explains the function's usage
    """
    print(f"Your Name is {name} and favorite number is {fav_number}")
    # Put all of the variables in a List
    my_data = [
        my_number, my_float, my_name, my_list, my_tuple,
        my_dict, my_set, is_program, is_elephant, my_money,
    ]

    print("Print out all of the data that was created...")
    # Iterate through the data
    for item in my_data:
        _type = type(item)
        print(f"item: {item} is type {_type}")


def print_dict_data():
    keys = my_dict.keys()
    # Get the keys in the dict as a list
    print(keys)

    print(my_dict["first_name"])

    print(my_dict.get("last_name"))  # Gets the value or returns None


class DataStuff(object):
    """
    a basic class with a constructor (__init__) and method
    """
    def __init__(self):
        """
        __init__ is the function that runs when you call the class
        """
        print("class is instanciating...")
        self.my_name = f"{my_name}, Esq."
        self.my_number = my_number + 1

    def print_name(self):
        print(self.my_name)

    def print_my_number(self):
        print(self.my_number)


if __name__ == "__main__":
    print("This python file was run via python ./python_basics.py")
    # Run the function "print_stuff"
    print_stuff(my_name, my_number)

    print_dict_data()

    my_obj = DataStuff()

    my_obj.print_name()
    my_obj.print_my_number()