decimal — Easy Playground

Arbitrary-precision decimal floating-point arithmetic

Python Playground

from decimal import Decimal, getcontext

# Precise decimal arithmetic
print(0.1 + 0.2)  # Float imprecision
print(Decimal("0.1") + Decimal("0.2"))  # Exact

getcontext().prec = 50
pi = Decimal("3.14159265358979323846264338327950288419716939937510")
print(f"Pi to 50 digits: {pi}")

Output

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The decimal module is part of Python's standard library. Arbitrary-precision decimal floating-point arithmetic.

Challenge

Try modifying the code above to explore different behaviors. Can you extend the example to handle a new use case?

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