<filename>p009.py
"""Problem 009

A Pythagorean triplet is a set of three natural numbers, a < b < c, for which,
a2 + b2 = c2

For example, 32 + 42 = 9 + 16 = 25 = 52.

There exists exactly one Pythagorean triplet for which a + b + c = 1000.
Find the product abc.
"""

ans = next(a * b * c
           for a in range(1, 500)
           for b in range(1, 500)
           for c in range(1, 500)
           if a < b < c and a**2 + b**2 == c**2 and a + b + c == 1000)

print(ans)

<filename>p009.py
"""Problem 009

A Pythagorean triplet is a set of three natural numbers, a < b < c, for which,
a2 + b2 = c2

For example, 32 + 42 = 9 + 16 = 25 = 52.

There exists exactly one Pythagorean triplet for which a + b + c = 1000.
Find the product abc.
"""

ans = next(a * b * c
           for a in range(1, 500)
           for b in range(1, 500)
           for c in range(1, 500)
           if a < b < c and a**2 + b**2 == c**2 and a + b + c == 1000)

print(ans)

Problem 009  A Pythagorean triplet is a set of three natural numbers, a < b < c, for which, a2 + b2 = c2  For example, 32 + 42 = 9 + 16 = 25 = 52.  There exists exactly one Pythagorean triplet for which a + b + c = 1000. Find the product abc.