import h5py
import numpy as np

f = h5py.File("mytestfile.hdf5", "w")
dset = f.create_dataset("mydataset", (100,), dtype="i")


import h5py

f = h5py.File("mytestfile.hdf5", "r")
list(f.keys())
dset = f["mydataset"]
print(dset.shape)
print(dset.dtype)


dset[...] = np.arange(100)
print(dset[0])
print(dset[10])
print(dset[0:100:10])