import pandas as pd
Given_DF = pd.DataFrame({'A': [123, 456, 789, 132, 465], 'B':[True, False, False, True, False]})
Desired = Given_DF[Given_DF["B"]]
print(Desired)
aW1wb3J0IHBhbmRhcyBhcyBwZAoKR2l2ZW5fREYgPSBwZC5EYXRhRnJhbWUoeydBJzogWzEyMywgNDU2LCA3ODksIDEzMiwgNDY1XSwgJ0InOltUcnVlLCBGYWxzZSwgRmFsc2UsIFRydWUsIEZhbHNlXX0pCkRlc2lyZWQgPSBHaXZlbl9ERltHaXZlbl9ERlsiQiJdXQpwcmludChEZXNpcmVkKQ==