import pandas as pd
df = pd.DataFrame(
[['Tom', 91, 80, 94],
['Emmy', 98, 85, 96],
['Rubeus', 87, 81, 87],
['Rubeus', 87, 81, 87],
['Axel', 75, 84, 90]],
columns=['name', 'algebra', 'python', 'java'])
q = df.loc[(df['python'] >= 81) & (df['python'] <= 84)]
print(q)
'''
run:
name algebra python java
2 Rubeus 87 81 87
3 Rubeus 87 81 87
4 Axel 75 84 90
'''