instruction: open khan academy app and access course material

previous_actions: 

active_application: Home

screen_description: windows {
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  id: 2
  layer: 1
  window_type: TYPE_SYSTEM
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      content_description: "12:30 PM"
      text: "12:30"
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}
windows {
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  window_type: TYPE_APPLICATION
  is_active: true
  is_focused: true
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      is_focusable: true
      is_long_clickable: true
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      text: "Phone"
      is_clickable: true
      is_focusable: true
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    }
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      class_name: "android.widget.TextView"
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      text: "Messages"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 7
    }
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      class_name: "android.widget.TextView"
      content_description: "Chrome"
      text: "Chrome"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 7
    }
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      class_name: "android.widget.TextView"
      content_description: "Camera"
      text: "Camera"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 7
    }
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        top: 1469
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      class_name: "android.widget.TextView"
      content_description: "Play Store"
      text: "Play Store"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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      class_name: "android.widget.TextView"
      content_description: "Gmail"
      text: "Gmail"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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      bounds_in_screen {
        left: 561
        top: 1469
        right: 771
        bottom: 1741
      }
      class_name: "android.widget.TextView"
      content_description: "Photos"
      text: "Photos"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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      class_name: "android.widget.TextView"
      content_description: "YouTube"
      text: "YouTube"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
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      class_name: "android.widget.TextView"
      content_description: "DBW Showcase App"
      text: "DBW Showcase App"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
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      class_name: "android.widget.TextView"
      content_description: "Amazon Seller"
      text: "Amazon Seller"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
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      text: "Amazon"
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      is_long_clickable: true
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      class_name: "android.widget.TextView"
      content_description: "MX Player"
      text: "MX Player"
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      is_focusable: true
      is_long_clickable: true
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      class_name: "android.widget.TextView"
      content_description: "Zomato"
      text: "Zomato"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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      class_name: "android.widget.TextView"
      content_description: "Decathlon"
      text: "Decathlon"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
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      class_name: "android.widget.TextView"
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      text: "eBay"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
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      class_name: "android.widget.TextView"
      content_description: "Nike"
      text: "Nike"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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        top: 841
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        bottom: 1113
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      class_name: "android.widget.TextView"
      content_description: "Flipkart"
      text: "Flipkart"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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        top: 841
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      class_name: "android.widget.TextView"
      content_description: "Sports World"
      text: "Sports World"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
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      class_name: "android.widget.TextView"
      content_description: "Myntra"
      text: "Myntra"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
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      class_name: "android.widget.TextView"
      content_description: "REI Co-op"
      text: "REI Co-op"
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      is_focusable: true
      is_long_clickable: true
      depth: 8
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      class_name: "android.widget.TextView"
      content_description: "BYJU\'S The Learning App"
      text: "BYJU\'S The Learning App"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
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      class_name: "android.widget.TextView"
      content_description: "Unacademy"
      text: "Unacademy"
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      is_focusable: true
      is_long_clickable: true
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      class_name: "android.widget.TextView"
      content_description: "Toppr"
      text: "Toppr"
      is_clickable: true
      is_focusable: true
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      class_name: "android.widget.TextView"
      content_description: "Coursera"
      text: "Coursera"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
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      is_focusable: true
      is_long_clickable: true
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      class_name: "android.widget.TextView"
      content_description: "Duolingo"
      text: "Duolingo"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
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        left: 1613
        top: 1469
        right: 1080
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      }
      class_name: "android.widget.TextView"
      content_description: "Khan Academy"
      text: "Khan Academy"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
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      class_name: "android.widget.TextView"
      content_description: "All PDF Reader"
      text: "All PDF Reader"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
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      class_name: "android.widget.TextView"
      content_description: "Forms app"
      text: "Forms app"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
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      class_name: "android.widget.TextView"
      content_description: "Jotform"
      text: "Jotform"
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      is_focusable: true
      is_long_clickable: true
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      class_name: "android.widget.TextView"
      content_description: "Stellarium"
      text: "Stellarium"
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      is_focusable: true
      is_long_clickable: true
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    }
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      class_name: "android.widget.TextView"
      content_description: "StarTracker"
      text: "StarTracker"
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      is_focusable: true
      is_long_clickable: true
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    }
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      class_name: "android.widget.TextView"
      content_description: "WorldClock"
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      is_focusable: true
      is_long_clickable: true
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    }
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      class_name: "android.widget.TextView"
      content_description: "Savvy Time"
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      is_focusable: true
      is_long_clickable: true
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    }
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      class_name: "android.widget.TextView"
      content_description: "ShareKaroLite"
      text: "ShareKaroLite"
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      is_focusable: true
      is_long_clickable: true
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    }
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      class_name: "android.widget.TextView"
      content_description: "Date and Time"
      text: "Date and Time"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 2161
        top: 841
        right: 1080
        bottom: 1113
      }
      class_name: "android.widget.TextView"
      content_description: "Time Zone Converter"
      text: "Time Zone Converter"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
    nodes {
      bounds_in_screen {
        left: 2413
        top: 841
        right: 1080
        bottom: 1113
      }
      class_name: "android.widget.TextView"
      content_description: "Domino\'s"
      text: "Domino\'s"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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        top: 841
        right: 1080
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      }
      class_name: "android.widget.TextView"
      content_description: "Easy Timezones"
      text: "Easy Timezones"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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        top: 841
        right: 1080
        bottom: 1113
      }
      class_name: "android.widget.TextView"
      content_description: "floweraura"
      text: "floweraura"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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        top: 1155
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        bottom: 1427
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      class_name: "android.widget.TextView"
      content_description: "IGP"
      text: "IGP"
      is_clickable: true
      is_focusable: true
      is_long_clickable: true
      depth: 8
    }
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    }
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    }
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      class_name: "android.widget.TextView"
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    }
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    }
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      is_focusable: true
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    }
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      class_name: "android.widget.ImageButton"
      content_description: "Google Lens"
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      is_focusable: true
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    }
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      class_name: "android.widget.TextView"
      content_description: "Tue, Aug 1"
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    }
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      }
      class_name: "android.widget.TextView"
      content_description: "Partly cloudy, 34°C"
      text: "34°C"
      is_clickable: true
      is_focusable: true
      depth: 14
    }
  }
}


assistant: !FUNCTIONCALL{"name": "open_app", "parameters": {"app_name": "Khan Academy"}}