# Python: Configure the rounding to round to the nearest - with ties going towards 0, with ties going away from 0

## Python module: Exercise-5 with Solution

Write a Python program that can be configured to round to the nearest - with ties going towards 0 and ties going away from 0. Use decimal.ROUND_HALF_DOWN, decimal.ROUND_HALF_UP

**Sample Solution**:

**Python Code:**

```
import decimal
print("Configure the rounding to round to the nearest, with ties going towards 0:")
decimal.getcontext().prec = 1
decimal.getcontext().rounding = decimal.ROUND_HALF_DOWN
print(decimal.Decimal(10) / decimal.Decimal(4))
print("\nConfigure the rounding to round to the nearest, with ties going away from 0:")
decimal.getcontext().prec = 1
decimal.getcontext().rounding = decimal.ROUND_HALF_UP
print(decimal.Decimal(10) / decimal.Decimal(4))
```

Sample Output:

Configure the rounding to round to the nearest, with ties going towards 0: 2 Configure the rounding to round to the nearest, with ties going away from 0: 3

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**Next:** Write a Python program to configure the rounding to round to the nearest, with ties going to the nearest even integer.

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## Python: Tips of the Day

**Inverts a dictionary with non-unique hashable values:**

Example:

def tips_collect_dictionary(obj): inv_obj = {} for key, value in obj.items(): inv_obj.setdefault(value, list()).append(key) return inv_obj ages = { "Owen": 25, "Jhon": 25, "Pepe": 15, } print(tips_collect_dictionary(ages))

Output:

{25: ['Owen', 'Jhon'], 15: ['Pepe']}

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