comp1730_workshop3

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Tue Mar 19 15:11:57 2019

@author: u6431023
"""

def print_grade(mark):
    if mark >= 80:
        print("High Distinction")
    elif mark >= 70:
        print("Distinction")
    elif mark >= 60:
        print("Credit")
    elif mark >= 50:
        print("Pass")
    else:
        print("Fail")


def median(a,b,c):
    '''finds median of 3 values; limited to 3 values only'''
    if a > b:
        if a < c:
            return a
        elif b > c:
            return b
        else:
            return c
    else:
        if a > c:
            return a
        elif b < c:
            return b
        else:
            return c

def babylonian(a, x = 2):
    '''find square root
   a: num finding square root of
   return: square root'''
    if abs(x**2-a) < 10 ** (-12):
        print(x)
        return x
    else:
        babylonian(a, ((x+a/x)/2))


def sum_odd_digits(num):
    return_val = 0
    num_str = str(num)
    for char in num_str:
        if int(char) % 2 == 1:
            return_val += int(char)
    return return_val

def sum_even_digits(num):
    return_val = 0
    num_str = str(num)
    for char in num_str:
        if int(char) % 2 == 0:
            return_val += int(char)
    return return_val

def sum_all_digits(num):
    return_val = 0
    num_str = str(num)
    for char in num_str:
return_val += int(char)
    return return_val