Demonstrating some fun with python lambda

lambdafun.py

#!/usr/bin/env python


def with_lambda(hours=[]):
    days = map(lambda x: x/8.0, hours)
    total_days = reduce(lambda x, y: x+y, days)
    return days, total_days


def without_lambda(hours=[]):
    days = []
    for hour in hours:
        days.append(hour/8.0)
    total_days = 0.0
    for day in days:
        total_days += day
    return days, total_days


# Running this in a python shell
# >>> import lambdafun
# >>> hours = [3.5, 20.75, 0.67, 31.57, 1, 15.25, 50.66]
# >>> lambdafun.with_lambda(hours)
# ([0.4375, 2.59375, 0.08375, 3.94625, 0.125, 1.90625, 6.3325], 15.425)
# >>> lambdafun.without_lambda(hours)
# ([0.4375, 2.59375, 0.08375, 3.94625, 0.125, 1.90625, 6.3325], 15.425)