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Peter Norvig
2017-08-28 22:51:40 -07:00
committed by GitHub
parent f45c5761c4
commit c260cbc87d
1 changed files with 3 additions and 3 deletions
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6
Coin Flip.ipynb
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@@ -337,7 +337,7 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"That's a 15-move sequence that is guaranteed to lead to a win. Do I believe it? It does appear to work. A colleague did the puzzle and got the same answer. And here's further validation: The function `random_play` takes a sequence of moves and plays it against a devil that chooses randomly:"
"That's a 15-move sequence that is guaranteed to lead to a win. Do I believe it? It does appear to work. A colleague did the puzzle and got the same answer. And here's further validation: The function `random_devil` takes a sequence of moves and plays those moves with a devil that chooses randomly:"
]
},
{
@@ -409,8 +409,8 @@
"cell_type": "markdown",
"metadata": {},
"source": [
"This says that the player always wins. If the player ever lost, there would be an entry for `None` in the Counter.\n",
"The remarkable thing, which I can't explain, is that the number of moves taken to win is so evenly distributed: very nearly 1,000 times for each of the numbers from 0 to 15 moves. Can you explain that?"
"This says that the player won all 16,000 times. If the player ever lost, there would be an entry for `None` in the Counter.\n",
"The remarkable thing, which I can't explain, is that there are very nearly 1,000 results for each of the counts from 0 to 15. Can you explain that?"
]
}
],