Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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The code box below defines a variable route as a list of directions to navigate a maze. Each instruction is one of the following four basic commands:
• higher. move one step in the positive y direction
• lower: move one step in the negative y direction
• left: move one step in the negative x direction
right: move one step in the positive x direction
●
Define a function move that takes two arguments, a location (as a tuple of x and y coordinates) and an instruction (higher, lower, left, right) as a string. Given the
provided location, it should return the new location (as a tuple of x and y coordinates) when following the specified instruction. If the instruction is invalid, the old
location should be returned.
Use the function move to determine the final position when starting from the point (-2, -1) and following all instructions in the list route. Assign this final position
to the variable final_location.
Reset answer
1 route = ['right', 'higher', 'left', 'lower', 'higher', 'left', 'right', 'right',
2
'lower', 'left', 'right', 'lower', 'hi
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Transcribed Image Text:The code box below defines a variable route as a list of directions to navigate a maze. Each instruction is one of the following four basic commands: • higher. move one step in the positive y direction • lower: move one step in the negative y direction • left: move one step in the negative x direction right: move one step in the positive x direction ● Define a function move that takes two arguments, a location (as a tuple of x and y coordinates) and an instruction (higher, lower, left, right) as a string. Given the provided location, it should return the new location (as a tuple of x and y coordinates) when following the specified instruction. If the instruction is invalid, the old location should be returned. Use the function move to determine the final position when starting from the point (-2, -1) and following all instructions in the list route. Assign this final position to the variable final_location. Reset answer 1 route = ['right', 'higher', 'left', 'lower', 'higher', 'left', 'right', 'right', 2 'lower', 'left', 'right', 'lower', 'hi
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