'Trying to match a pandas array to another so I can add them

I have the following program:

import pandas as pd

corr = []
first = 1995
last = 6726
for i in range(0, 6726):
    corr.append([1.0*i])

corrPanda = pd.DataFrame(data=corr, columns=["Corr"])
index = pd.Index(range(first, first + last))
corrPanda = corrPanda.set_index(index)
print(corrPanda)

Its output is

1995     0.0
1996     1.0
1997     2.0
1998     3.0
1999     4.0
...      ...
8716  6721.0
8717  6722.0
8718  6723.0
8719  6724.0
8720  6725.0

[6726 rows x 1 columns]

How can I have the array match another existing array which has an output listed below. I just want to add the two variables.

1995     6.902222
1996     6.903611
1997     6.905000
1998     6.907778
1999     6.910556
          ...    
8716    26.991389
8717    26.993333
8718    26.994167
8719    26.995556
8720    26.996944
Name: Time, Length: 6726, dtype: float64

python pandas

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'Trying to match a pandas array to another so I can add them

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