import numpy as np

loan_balance         = 500000
annual_interest_rate = 4.5/100

total_repayments     = 360 #Monthly repayments for a 30 year home loan
monthly_interest_rate= annual_interest_rate/12

min_repayment_amount = -np.pmt(monthly_interest_rate, total_repayments, loan_balance)

print(min_repayment_amount)

payment_number = 1
interest_part  = -np.ipmt(monthly_interest_rate, payment_number, total_repayments, loan_balance)
principal_part = -np.ppmt(monthly_interest_rate, payment_number, total_repayments, loan_balance)

print(interest_part)
print(principal_part)