#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
ENGG1811 Lecture Week 6

Input argument example 2
"""
# A function to print two numbers in either ascending or
# descending order 

def arrange(num1, num2, order = 'ascending'): 
    # big <- bigger number 
    # small <- smaller number 
    if num1 >= num2:
        big, small = num1, num2 
    else:
        big, small = num2, num1    
    
    # Print in ascending or descending 
    # order depending on the input 
    if order == 'ascending':
        print(order,':',small, big)
    elif order == 'descending':
        print(order,':',big, small)  
    else:
        print('Invalid option') 

# All the following calling methods can be used 
# and give the same result  
        
arrange(10, 7) 
arrange(10, 7, 'ascending')   
arrange(10, 7, order = 'ascending')

arrange(10, num2 = 7, order = 'ascending')

arrange(num1 = 10, num2 = 7 , order = 'ascending')
arrange(num2 = 7 , num1 = 10, order = 'ascending')
arrange(order = 'ascending', num2 = 7, num1 = 10)

#%% 
# The following will give an error 
# arrange(10, num2 = 7, 'ascending')
# Error: positional argument follows keyword argument