FilesExpand file tree

 master

/

item_47.py

Copy path

Blame

More file actions

Blame

More file actions

Latest commit

 

History

History

History

executable file

·

68 lines (50 loc) · 1.41 KB

 master

/

item_47.py

Copy path

Top

File metadata and controls

• Code
• Blame

executable file

·

68 lines (50 loc) · 1.41 KB

Raw

Copy raw file

Download raw file

Open symbols panel

Edit and raw actions

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

#!/usr/bin/env python3

# Copyright 2014 Brett Slatkin, Pearson Education Inc.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

# Preamble to mimick book environment

import logging

from pprint import pprint

from sys import stdout as STDOUT

# Example 1

rate = 1.45

seconds = 3*60 + 42

cost = rate * seconds / 60

print(cost)

# Example 2

print(round(cost, 2))

# Example 3

rate = 0.05

seconds = 5

cost = rate * seconds / 60

print(cost)

# Example 4

print(round(cost, 2))

# Example 5

from decimal import Decimal

from decimal import ROUND_UP

rate = Decimal('1.45')

seconds = Decimal('222') # 3*60 + 42

cost = rate * seconds / Decimal('60')

print(cost)

# Example 6

rounded = cost.quantize(Decimal('0.01'), rounding=ROUND_UP)

print(rounded)

# Example 7

rate = Decimal('0.05')

seconds = Decimal('5')

cost = rate * seconds / Decimal('60')

print(cost)

# Example 8

rounded = cost.quantize(Decimal('0.01'), rounding=ROUND_UP)

print(rounded)