import pandas as pd
df1 = pd.DataFrame(
[['Tom', 91, 80, 94],
['Emmy', 98, 85, 96],
['Axel', 75, 83, 90]],
columns=['name', 'algebra', 'python', 'java'])
df2 = pd.DataFrame(
[['Dumbledore', 99, 100, 98],
['Rubeus', 87, 81, 87]],
columns=['name', 'algebra', 'python', 'java'])
df12 = df1.append(df2, ignore_index=True, sort=False)
print(df12)
'''
run:
name algebra python java
0 Tom 91 80 94
1 Emmy 98 85 96
2 Axel 75 83 90
3 Dumbledore 99 100 98
4 Rubeus 87 81 87
'''