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Consider this Python code:
assert(a > 0)
assert(b > 0)
assert(a + b > 0)
Can the third assert ever fail? In C/C++, it can if the sum overflows the maximum integer value. How is this handled in Python?
Depends on which version of Python you’re using.
Prior to 2.2 or so, you could get an
OverflowError.Version 2.2-2.7 promote the sum to a
long(arbitrary precision) if it’s too large to fit in anint.3.0+ has only one integer type, which is arbitrary precision.