Created
September 2, 2019 02:48
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| def add_conversion(self, orig, dest, rate): | |
| 'Insert a conversion into the graph. Note we insert its inverse also.' | |
| if orig not in self.graph: | |
| self.graph[orig] = {} | |
| self.graph[orig][dest] = rate | |
| if dest not in self.graph: | |
| self.graph[dest] = {} | |
| self.graph[dest][orig] = 1.0 / rate |
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