<human>:  Python Pandas: drop rows of a timeserie based on time range
<bot>: Here is some code to drop rows of dataframe `df` whose index is smaller than the value of `start_remove` or bigger than the value of`end_remove`

df.query('index < @start_remove or index > @end_remove')

#Warning: this code generation is experimental. Please inspect the code for any bugs before executing.