Gravity A 2D board game can be represented by a nested list. Here is an example of a 4x4 board: [[" [" " . ["1", ["1", " [[" [" ["1", H " board = [[" [" " Each cell of our board of size NXN can only contain either an empty space denoted by " " or the string "1". " Write a function gravity (board: List[List[str]]) -> List[List[str]] that moves all the 1's downwards so they are stacked at the bottom of the board. This is like like applying gravity to the board and all the 1's are pulled down. Your gravity function should return a new board representing the input board after applying the gravity. For example, " gravity (board) H " H H " " H . . . " " " ["1"," ["1"," " " " ** " H " "], "], "], 1"]] "1 " ** " " == ** " 1. "], "], " ["1","1","1","1"]] " " " " "], "], "], ,"1"]] . *
Gravity A 2D board game can be represented by a nested list. Here is an example of a 4x4 board: [[" [" " . ["1", ["1", " [[" [" ["1", H " board = [[" [" " Each cell of our board of size NXN can only contain either an empty space denoted by " " or the string "1". " Write a function gravity (board: List[List[str]]) -> List[List[str]] that moves all the 1's downwards so they are stacked at the bottom of the board. This is like like applying gravity to the board and all the 1's are pulled down. Your gravity function should return a new board representing the input board after applying the gravity. For example, " gravity (board) H " H H " " H . . . " " " ["1"," ["1"," " " " ** " H " "], "], "], 1"]] "1 " ** " " == ** " 1. "], "], " ["1","1","1","1"]] " " " " "], "], "], ,"1"]] . *
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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Question
need to use python to solve this
![Gravity
A 2D board game can be represented by a nested list. Here is an example of a 4x4 board:
11 11 11
[["
["
["1","1
["1","
11
}
I
11
11
"
11 11
For example,
HI
board = [["
"1
11 11
11
11
11
}
11
11
Each cell of our board of size NXN can only contain either an empty space denoted by
string "1".
11
.
Write a function gravity(board: List[List[str]]) -> List[List[str]] that moves all the 1's
downwards so they are stacked at the bottom of the board. This is like like applying gravity to the
board and all the 1's are pulled down. Your gravity function should return a new board
representing the input board after applying the gravity.
}
gravity (board)
[["","
["",
["1","
HI
11
11
[
["1","1
["1","
11
"],
,"1"]]
11
I
11 11
}
11
"],
"],
11
11
11
11 11
11
11
==
"
.
"1", "],
"],
"],
"1"]]
11
"],
"],
"],
.
["1","1","1","1"]]
11
"1
.
11
.
or the
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Transcribed Image Text:Gravity
A 2D board game can be represented by a nested list. Here is an example of a 4x4 board:
11 11 11
[["
["
["1","1
["1","
11
}
I
11
11
"
11 11
For example,
HI
board = [["
"1
11 11
11
11
11
}
11
11
Each cell of our board of size NXN can only contain either an empty space denoted by
string "1".
11
.
Write a function gravity(board: List[List[str]]) -> List[List[str]] that moves all the 1's
downwards so they are stacked at the bottom of the board. This is like like applying gravity to the
board and all the 1's are pulled down. Your gravity function should return a new board
representing the input board after applying the gravity.
}
gravity (board)
[["","
["",
["1","
HI
11
11
[
["1","1
["1","
11
"],
,"1"]]
11
I
11 11
}
11
"],
"],
11
11
11
11 11
11
11
==
"
.
"1", "],
"],
"],
"1"]]
11
"],
"],
"],
.
["1","1","1","1"]]
11
"1
.
11
.
or the
11
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