how to remove rows with specific values in pandas code example

Example 1: python: remove specific values in a dataframe

df.drop(df.index[df['myvar'] == 'specific_name'], inplace = True)

Example 2: python - exclude rowin data frame based on value

df = df[df.myvar != 0]
df = df[df.myvar < 2]

Example 3: dataframe drop rows by column value

df = df[df.line_race != 0]