fastsimcoal2 estimation file for the best model

Fastsimcoal2 input file describing the parameter distributions for the model of "speciation from a hybrid population at Python Island". This is the model with the highest likelihood among all models tested.Fastsimcoal2 输入文件，用于描述"源自蟒蛇岛（Python Island）杂交种群的物种形成"模型的参数分布。该模型为所有已测试模型中似然值最高的模型。