Indexing arrays
You have kept up your training regime to get faster over 5000m runs. After a few weeks of training regularly, you want to look back at your run times to see if your new times are better than your old ones.
The array of floats of your run times is available in your environment as runtimes.
本练习是课程的一部分
Introduction to Julia
练习说明
- Select the first run time and assign it to the variable
first_runtime. - Select the last run time and assign it to the variable
last_runtime. - Calculate the difference in times by subtracting the last run time from the first.
交互式实操练习
通过完成这段示例代码来试试这个练习。
# Select the first run time
first_runtime = ____
# Select the last run time
last_runtime = ____
# Calculate the difference
time_diff = ____
println("Last run time was $time_diff minutes faster")