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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

Flowchart:

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

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Python Code Editor:

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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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