pandas replace zero with nan code example

Example 1: replace nan in pandas

df['DataFrame Column'] = df['DataFrame Column'].fillna(0)

Example 2: how to replace nan with 0 in pandas

df['product']=df['product'].fillna(0)
df['context']=df['context'].fillna(0)
df

Example 3: pandas replace zero with blank

# in column_B of dataframe, replace zero with blanks
df['column_B'].replace(['0', '0.0'], '', inplace=True)