def sum_function(first, second):

return (first + second)

print("Sum: ", sum_function(5, 10))

def sum_arbitrary_arguments(first, *rest):

return (first + sum(rest))

print("Sum with arbitrary number of arguments: ", sum_arbitrary_arguments(5, 10,15))

print("Sum with arbitrary number of arguments: ", sum_arbitrary_arguments(5, 10,15, 20, 25, 30))

def print_weather(name, state = "New York", temp = "30 degrees Celsius"):

print("Hi {}, it is {} in {}".format(name, temp, state))

print_weather("Sarah")

print_weather("Mike", "Boston", "28 degrees Celsius")

def print_weather_kwargs(**kwargs):

weather_report = ""

for argument in kwargs.values():

weather_report += argument

return weather_report

kwargs = { 'temp':"30 degrees Celsius ", 'in':'in', 'State':" New York", 'when': ' today'}

print(print_weather_kwargs(**kwargs))