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ManishBarnwalManishBarnwal
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Adding code for exercises in 1.3 Numbers
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‎Work/bounce.py‎

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# bounce.py
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#
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# Exercise 1.5
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height = 100 # metres
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num_bounces = 10
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i = 1
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while i <= num_bounces:
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height = height * 3/5
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print(i, round(height, 4))
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i = i + 1

‎Work/hello.py‎

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print('hello world')

‎Work/mortgage.py‎

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# mortgage.py
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#
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# Exercise 1.7
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principal = 500000.0
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rate = 0.05
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payment = 2684.11
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total_paid = 0.0
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extra_payment_start_month = int(input('extra_payment_start_month: '))
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extra_payment_end_month = int(input('extra_payment_end_month: '))
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extra_payment = int(input('extra_payment: '))
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current_month = 1
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num_required_months = 0
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while principal > 0:
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if current_month >= extra_payment_start_month and current_month <= extra_payment_end_month:
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principal = principal * (1 + rate/12) - payment - extra_payment
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total_paid = total_paid + payment + extra_payment
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remaining_principal = principal if principal > 0 else 0
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print(current_month, 'total_paid:', total_paid, 'principal_remaining:', remaining_principal)
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else:
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principal = principal * (1 + rate/12) - payment
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total_paid = total_paid + payment
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remaining_principal = principal if principal > 0 else 0
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print(current_month, 'total_paid:', total_paid, 'principal_remaining:', remaining_principal)
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current_month = current_month + 1
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num_required_months = num_required_months + 1
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print('Total paid', total_paid)
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print('No. of months required to pay the mortgage', num_required_months)
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‎Work/sears.py‎

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bill_thickness = 0.11 * 0.001 # metres (0.11 mm)
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sears_height = 442 # height (metres)
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day = 1
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num_bills = 1
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bills_height = 0.11
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while bills_height < sears_height:
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print(day, num_bills, bills_height)
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day = day + 1
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num_bills = 2 * num_bills
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bills_height = num_bills * bill_thickness
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print('No. of days:', day)
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print('No. of bills:', num_bills)
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print('Final bills height:', bills_height)

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