Test Expected data = ['-', '$', '-', '-', '$', '-', '$', '$', '-'] ['$', -', '$', '$', '-'] move_dollar_to_the_left(data, 2, 1) print(data)
Test Expected data = ['-', '$', '-', '-', '$', '-', '$', '$', '-'] ['$', -', '$', '$', '-'] move_dollar_to_the_left(data, 2, 1) print(data)
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
Related questions
Question
![Complete the move_dollar_to_the_left(coins_list, position_number, to_move) function. This function takes three parameters (the coins list, the position of the "$" symbol to be moved
and the number of positions to move).
Firstly, work out the new position for the "$" symbol being moved (always moving to the left). The function replaces the "$" symbol in the position given by the parameter, position_number,
with a "-" symbol, and moves a "$" symbol into the new position in the list. For example, if the coins list is ['$', '-', '$',
move the coin from is 9 (the last position in the list) and the number of places to move is 3, the function should modify the list to: "['$',
'$'] and the position number to
'$', '$', '-', '-', '-'].
'$',
'$'
Note:
• The position number is a number starting from 1, therefore referring to the "$" symbol in position 9 is referring to the "$" symbol at index 8 of the parameter list.
• The function makes changes in place. (i.e. it changes the list that is passed to the function. It does not create a new list and it does not return anything).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffdcbcdd1-e8c0-4785-bbe7-bc6d3a4f99de%2F07fd3f7f-b196-4419-9e35-8480d1f61247%2Fbqamjis_processed.png&w=3840&q=75)
Transcribed Image Text:Complete the move_dollar_to_the_left(coins_list, position_number, to_move) function. This function takes three parameters (the coins list, the position of the "$" symbol to be moved
and the number of positions to move).
Firstly, work out the new position for the "$" symbol being moved (always moving to the left). The function replaces the "$" symbol in the position given by the parameter, position_number,
with a "-" symbol, and moves a "$" symbol into the new position in the list. For example, if the coins list is ['$', '-', '$',
move the coin from is 9 (the last position in the list) and the number of places to move is 3, the function should modify the list to: "['$',
'$'] and the position number to
'$', '$', '-', '-', '-'].
'$',
'$'
Note:
• The position number is a number starting from 1, therefore referring to the "$" symbol in position 9 is referring to the "$" symbol at index 8 of the parameter list.
• The function makes changes in place. (i.e. it changes the list that is passed to the function. It does not create a new list and it does not return anything).
![Test
Expected
data
['-', '$',
'$', '-', '$', '$', '-'] ['$',
'- ', '$', '$', '-']
=
move_dollar_to_the_left(data, 2, 1)
print(data)
['-', '$',
'$', '-', '$', '$', '-'] ['-', '$', '$',
'$', '$', '-']
data =
-',
move_dollar_to_the_left(data, 5, 2)
print(data)
'-', '$'] ['-',
-', '$', '$',
'-', '$']
data =
['-', 's', '-', '$',
move_dollar_to_the_left(data, 7, 2)
print(data)
data =
'-',
'$', '$', '-']
move_dollar_to_the_left(data, 9, 1)
*.-.] [.$. .-. '.$. '.-. '.-. '.$. '.-. '.$. '.-.]
print(data)
' - ', '$'] ['$', '$', '$', '$',
data =
move_dollar_to_the_left(data, 9,
5)
print(data)
['-', '-', '$', '-', '-', '$', '-', '$', '$'] ['$',
'$', '$']
'$', '$']
-', '$']
data =
move_dollar_to_the_left(data, 3, 2)
['$', '$',
print(data)
move_dollar_to_the_left(data, 6, 4)
['$', '$', '$',
*.$. .$. .$.]
-']
print(data)
move_dollar_to_the_left(data, 8, 5)
print(data)
move_dollar_to_the_left(data, 9, 5)
print(data)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ffdcbcdd1-e8c0-4785-bbe7-bc6d3a4f99de%2F07fd3f7f-b196-4419-9e35-8480d1f61247%2Fxfhv4uc_processed.png&w=3840&q=75)
Transcribed Image Text:Test
Expected
data
['-', '$',
'$', '-', '$', '$', '-'] ['$',
'- ', '$', '$', '-']
=
move_dollar_to_the_left(data, 2, 1)
print(data)
['-', '$',
'$', '-', '$', '$', '-'] ['-', '$', '$',
'$', '$', '-']
data =
-',
move_dollar_to_the_left(data, 5, 2)
print(data)
'-', '$'] ['-',
-', '$', '$',
'-', '$']
data =
['-', 's', '-', '$',
move_dollar_to_the_left(data, 7, 2)
print(data)
data =
'-',
'$', '$', '-']
move_dollar_to_the_left(data, 9, 1)
*.-.] [.$. .-. '.$. '.-. '.-. '.$. '.-. '.$. '.-.]
print(data)
' - ', '$'] ['$', '$', '$', '$',
data =
move_dollar_to_the_left(data, 9,
5)
print(data)
['-', '-', '$', '-', '-', '$', '-', '$', '$'] ['$',
'$', '$']
'$', '$']
-', '$']
data =
move_dollar_to_the_left(data, 3, 2)
['$', '$',
print(data)
move_dollar_to_the_left(data, 6, 4)
['$', '$', '$',
*.$. .$. .$.]
-']
print(data)
move_dollar_to_the_left(data, 8, 5)
print(data)
move_dollar_to_the_left(data, 9, 5)
print(data)
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