replace 0 with nan in python code example

Example 1: how to replace zero with null in python

data['amount']=data['amount'].replace(0, np.nan)
data['duration']=data['duration'].replace(0, np.nan)

Example 2: how to replace zero with null in python

df2[["Weight","Height","BootSize","SuitSize"]].astype(str).replace('0',np.nan)