Python language please

Write a Python program which inputs the number of cheques written in a month and calculates and outputs the total charges for the month, as follows: Basic Monthly Service Charge: $5 Less than 10 cheques written in a month: $0.15 charge per cheque 10 to 20 (inclusive) cheques written in a month: $0.12 charge per cheque 21 to 40 (inclusive) cheques written in a month: $0.10 charge per cheque More than 40 cheques written in a month: $0.05 charge per cheque Sample Input/Output Please enter the number of cheques written in a month: 15 Charges: $6.80