# Filters rows using the given condition
df.filter(df.age > 3).collect()
# [Row(age=5, name='Bob')]
df.where(df.age == 2).collect()
# Row(age=2, name='Alice')]
df.filter("age > 3").collect()
# [Row(age=5, name='Bob')]
df.where("age = 2").collect()
# [Row(age=2, name='Alice')]