Description
In this question you are required to combine, or concatenate, two years of air pollution data.
Input
2014.csv
2015.csv
Output
output.csv
Sample Input
col1 col2
1 2
col1 col2
3 4
Sample Output
col1 col2
1 2
3 4
Description
In this question you are required to combine, or concatenate, two years of air pollution data.
Input
2014.csv
2015.csv
Output
output.csv
Sample Input
col1 col2
1 2
col1 col2
3 4
Sample Output
col1 col2
1 2
3 4