ta_tax.py

import numpy as np

niThresholdWeekly = 166
incomeTaxThresholdWeekly = 12500 / 52

# Claiming for Oct
deliveryHours = [4,4,2,2,2]
prepHours = [1,1,2,2,2]
nWeeks = len(deliveryHours)

hoursOver5Weeks = sum(deliv + prep for deliv, prep \
                        in zip(actualHours, prepTimes) )

payPerHour = 15.57
trainingHours = 5.5
totalPay = (hoursOver5Weeks + trainingHours) * payPerHour

holidayPay = 1.09
totalPay *= holidayPay

print("{} hours this month".format(hoursOver5Weeks + trainingHours))
print("£{} this month".format(totalPay))

if (totalPay / nWeeks) < niThresholdWeekly :
    print("no NI to pay!")

if totalPay < incomeTaxThresholdWeekly * nWeeks :
    print("no income tax to pay!")