2.3.4 error

# Write formula into the cycle-function
def monthly_payment(t, s, n, k):
    p = (s / n) + (s - (t - 1) * (s / n)) * (k / (12 * 100))

    return p
# Automatic ask input data
s = float(input()) # credit amount
n = int(input()) # credit term in month
k = float(input()) # percent per year

# Create every month list
month_list = [((n-1)+1) for t in range(0, n)]
t = month_list
pay_list = [monthly_payment(t, s, n, k) for i in month_list]

# Print the result
print("%2d месяц - %8.2f руб" % (month_list, pay_list))