/TypeScript/Element of an array is the same as any of the previous elements pandas

Element of an array is the same as any of the previous elements pandas

df['match'] = df.col1.eq(df.col1.shift())
print (df)
   col1  match
0     1  False
1     3  False
2     3   True
3     1  False
4     2  False
5     3  False
6     2  False
7     2   True

Source: stackoverflow.com

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