Functions

# Block of code that only run when they are called 

# Define a function 
def function1():
	print("Hello from function1")
	
# call a function 
function1()

# Function returns a value 
def function2():
	return "Hello from function2"

return_from_function2 = function2()
print(return_from_function2)

# Pass variable to function 
def function3(s):
	print("\t{}".format(s))

function("parameter")

# Pass two parameters to function
def function4(s1, s2):
	print("{} {}".format(s1,s2))
	
# Call function 
function4("any", "thing")

# Calling it with parameters name means the order doesn't matter 
function4(s2="thing", s1="any")

# Defining a function with default parameter 
def function5(s1 = "default"):
	print("{}".format(s1))
	
# If no parameter is passed it will use default value 
function5()


# Function that handles unknown 
def function(s1, *more)
	print("{} {}".format(s1, " ".join([s for s in more])))
	
function6("function6", "a")

# Receive a dictionary of arguments 
def function6(**ks): 
	for a in ks: 
		print(a, ks[a])
		
function7(a="1", b="2", c="3")

# Recursive function 
function12(x):
	print(x)
	if x > 0:
		function12(x-1)
	
function12(5)