Do I need to use the "and" condition in this automation?

Configuration
1

I have marked the place with # further down.

alias: 'Light: TH takfot; <5 lux, sun -4°, 21.00 wd/22.00 we'
description: ''
trigger:
  - id: light_level
    platform: numeric_state
    entity_id: sensor.baksida_motion_light_level
    below: '5'
  - id: sun_elevation
    platform: numeric_state
    entity_id: sun.sun
    below: '-4.0'
    attribute: elevation
  - id: time_workday
    platform: time
    at: '21:00'
  - id: time_weekend
    platform: time
    at: '22:00'
action:
  - choose:
      - conditions:
          - condition: or
            conditions:
              - condition: trigger
                id: light_level
              - condition: trigger
                id: sun_elevation
          - condition: and ################# HERE ####################
            conditions:
              - condition: numeric_state
                entity_id: sun.sun
                below: '-4.0'
                attribute: elevation
              - condition: numeric_state
                entity_id: sensor.baksida_motion_light_level
                below: '5'
        sequence:
          - service: light.turn_on
            data:
              brightness_pct: 50
            target:
              entity_id: light.th_takfot
      - conditions:
          - condition: trigger
            id: time_workday
          - condition: time
            weekday:
              - mon
              - tue
              - wed
              - thu
              - sun
        sequence:
          - service: light.turn_off
            target:
              entity_id: light.th_takfot
      - conditions:
          - condition: trigger
            id: time_weekend
          - condition: time
            weekday:
              - fri
              - sat
        sequence:
          - service: light.turn_off
            target:
              entity_id: light.th_takfot
    default: []
mode: restart
2

Since the conditions are “AND” by default, you do not need this.

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