Python Developer - Lesson 1

# function with simple output
def shout():
    print("WATCH OUT!")

shout()

# function with simple output
def show_line():
    print("**********") 

show_line()

# simple function with a return
def show_color(color):
    print("Your favorite color is", color)

show_color("Blue")

# simple function with a return
def add_ten(number):
    print(number + 10)

add_ten(5)

# simple function with a return
def multiply_by_two(number):
    print(number * 2)

multiply_by_two(6)

# Function to show an item and its price
def buy_item(item, price=5.0):
    print("Item:", item, "| Price:", price)

buy_item("Book")
buy_item("Phone", 500.0)

# Function to print a message from a specific user
def send_msg(text, user="Guest"):
    print(user, "says:", text)

send_msg("Hello!")
send_msg("I am late", "Sam")

# Function to return both the sum and difference of two numbers
def get_math(a, b):
    return a + b, a - b

total, diff = get_math(10, 5)
print(total, diff)

# Function to return both the product and division of two numbers
def get_math2(a, b):
    return a * b, a / b

product, division = get_math2(12, 3)
print(product, division)

# Function to return the first and last name from a list
def split_name(full_name):
    first = full_name[0]
    last = full_name[1]
    return first, last

fname, lname = split_name(["Sam", "Smith"])
print(fname, lname)

# Function to return a greeting and a farewell
def get_words(name):
    return "Hello " + name, "Goodbye " + name

greet, bye = get_words("Alex")
print(greet, bye)