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python - KeyError: 0 when accessing value in pandas series

In my script I have df['Time'] as shown below.

497   2017-08-06 11:00:00
548   2017-08-08 15:00:00
580   2017-08-10 04:00:00
646   2017-08-12 23:00:00
Name: Time, dtype: datetime64[ns]

But when i do

t1=pd.Timestamp(df['Time'][0])

I get an error like this :

KeyError: 0

Do I need any type conversion here, if yes then how it can be fixed?

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You're looking for df.iloc.

df['Time'].iloc[0]

df['Time'][0] would've worked if your series had an index beginning from 0

And if need scalar only use Series.iat:

df['Time'].iat[0]

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