4.17 LAB: Input and formatted output: Caffeine levels A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about 6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours. Use a string formatting expression with conversion specifiers to output the caffeine amount as floating-point numbers. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: print('{:.2f}'.format(your_value)) Ex: If the input is:

Database System Concepts
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ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Please here is a screenshot of my lab  in python house caffeine levels

**4.17 LAB: Input and formatted output: Caffeine levels**

A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about 6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours. Use a string formatting expression with conversion specifiers to output the caffeine amount as floating-point numbers.

Output each floating-point value with two digits after the decimal point, which can be achieved as follows:

```python
print('{:.2f}'.format(your_value))
```

**Example**: If the input is:

```
100
```

the output is:

```
After 6 hours: 50.00 mg
After 12 hours: 25.00 mg
After 24 hours: 6.25 mg
```

**Note**: A cup of coffee has about 100 mg. A soda has about 40 mg. An "energy" drink (a misnomer) has between 100 mg and 200 mg.

---

**Lab Activity**

**4.17.1: LAB: Input and formatted output: Caffeine levels**

**Code Editor: main.py**

```python
caffeine_mg = float(input())

''' Type your code here. '''
```

This template provides a basic setup for implementing the code needed to calculate and print the caffeine levels at different times.
Transcribed Image Text:**4.17 LAB: Input and formatted output: Caffeine levels** A half-life is the amount of time it takes for a substance or entity to fall to half its original value. Caffeine has a half-life of about 6 hours in humans. Given caffeine amount (in mg) as input, output the caffeine level after 6, 12, and 24 hours. Use a string formatting expression with conversion specifiers to output the caffeine amount as floating-point numbers. Output each floating-point value with two digits after the decimal point, which can be achieved as follows: ```python print('{:.2f}'.format(your_value)) ``` **Example**: If the input is: ``` 100 ``` the output is: ``` After 6 hours: 50.00 mg After 12 hours: 25.00 mg After 24 hours: 6.25 mg ``` **Note**: A cup of coffee has about 100 mg. A soda has about 40 mg. An "energy" drink (a misnomer) has between 100 mg and 200 mg. --- **Lab Activity** **4.17.1: LAB: Input and formatted output: Caffeine levels** **Code Editor: main.py** ```python caffeine_mg = float(input()) ''' Type your code here. ''' ``` This template provides a basic setup for implementing the code needed to calculate and print the caffeine levels at different times.
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