logical or in pandas code example

Example 1: or condition in pandas

df1 = df[(df.a != -1) & (df.b != -1)]

Example 2: or condition in pandas

df2 = df[(df.a != -1) | (df.b != -1)]

Example 3: pandas and operator

# Loads dataset
df = pd.read_csv('dataset.csv')

# Filter data
filtered_df = df.loc[(df['column1'] == var1) & (df['column2'] == var2)]