Difference between `print(df['A'][2])` and `print(df.loc[2, 'A'])`

Question

I Have a code:

import pandas as pd

df = pd.DataFrame({'A': ['aaa', 'bbb', 'ccc'], 'B': [1, 2, 3]}, index=[0, 2, 3])

print(df['A'][2])

print(df.loc[2, 'A'])

Output:

bbb
bbb

Question: What is diffence between print(df['A'][2]) and print(df.loc[2, 'A'])? Does they mean exactly the same thing (just different syntax) or they can act differently in different situations? If they are different, what is exact difference?