Time complexity O(m+n); Space complexity: O(m+n)
IntuitionTime complexity O(m+n)
Space complexity: O(m+n)
m: first datasetr rows
n: second dataset rows,ApproachComplexity
Time complexity:
O(m+n)
Space complexi
# Intuition
<!-- Describe your first thoughts on how to solve this problem. -->
Time complexity O(m+n)
Space complexity: O(m+n)
m: first datasetr rows
n: second dataset rows, 
# Approach
<!-- Describe your approach to solving the problem. -->

# Complexity
- Time complexity:
<!-- Add your time complexity here, e.g. $$O(n)$$ -->
O(m+n)

- Space complexity:
<!-- Add your space complexity here, e.g. $$O(n)$$ -->
O(m+n)
# Code
```pythondata []
import pandas as pd

def concatenateTables(df1: pd.DataFrame, df2: pd.DataFrame) -> pd.DataFrame:
    return pd.concat([df1, df2])
```
['Pandas']