use bootstrap to get MLE of lamda from the exp model

the data are 3,5,7,18,43,85,91,98,100,130,230,487, it follows an exp(lamda)
model, how to use bootstrap to obtain MLE of lamda, bias, sd.  Thanks a lot

so far my code is 
                          obj<-boot(data,statistic,R=2000)
here statistic should call a function to get an estimate of lamda I think,
anyone can help ?    I am new to bootstrap:)

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