replace all nan with 0 python 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: replace "-" for nan in dataframe

df.replace(np.nan,0)

Example 4: python list replace nan with 0

mylist = [0 if x != x else x for x in mylist]