Python Error: Typeerror: Cannot Compare A Dtyped [float64] Array With A Scalar Of Type [bool]

Below is a small sample of my dataframe. In [10]: df Out[10]: TXN_KEY Send_Agent Pay_Agent Send_Amount Pay_Amount 0 13272184 AWD120279 AEU002152 85.99 85

Solution 1:

You're missing some parentheses:

def banded_txns(s):
    return ((s >= 900.00) & (s < 1000.00)).count()