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# Query Rows using DataFrame.query()
df2=df.query("Courses == 'Spark'")
#Using variable
value='Spark'
df2=df.query("Courses == @value")
#inpace
df.query("Courses == 'Spark'",inplace=True)
#Not equals, in & multiple conditions
df.query("Courses != 'Spark'")
df.query("Courses in ('Spark','PySpark')")
df.query("`Courses Fee` >= 23000")
df.query("`Courses Fee` >= 23000 and `Courses Fee` <= 24000")