in which there were the most frequent number of ufo reports during the period starting from 1980.
# Show the location and number of reports in one dataframe as an answer. Note that there could be a city name in two states, for example, there is a
# city Phoenix in NY and in AZ.
ufo[ufo.Timecloc>1980].value_counts()[:10]
тут как после 1980?
data: ufo = pd.read_csv('http://bit.ly/uforeports')
ufo[ufo.Time>'1/1/1980 0:00'].value_counts()[:10] kak tut location распечатать?
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