Implement the following function in which students are represented by int IDs and teams are represented as List [int]. Check the docstring examples very carefully. def valid_teams (teams: List [List[int]], students: List[int]) -> List [List[int]]: '''Return a list that contains the teams that have exactly two members who are in students. >>> valid_teams ([[1, 2], [3, 4]], [1, 2, 3]) [[1, 2]] >>> valid_teams ([[1, 2, 3], [1, 5, 6], [1, 6]], [1, 2, 5, 6]) [[1, 2, 3], [1, 6]] >>> valid_teams ([[1]], [1, 2, 3]) []

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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Implement the following function in which students are represented by int IDs and teams are represented
as List [int]. Check the docstring examples very carefully.
def valid_teams (teams: List [List[int]], students: List [int]) -> List [List[int]]:
'''Return a list that contains the teams that have exactly two members who
are in students.
>>> valid_teams ([[1, 2], [3, 4]], [1, 2, 3])
[[1, 2]]
>>> valid_teams ([[1, 2, 3], [1, 5, 6], [1, 6]], [1, 2, 5, 6])
[[1, 2, 3], [1, 6]]
>>> valid_teams ([[1]], [1, 2, 3])
[]
Transcribed Image Text:Implement the following function in which students are represented by int IDs and teams are represented as List [int]. Check the docstring examples very carefully. def valid_teams (teams: List [List[int]], students: List [int]) -> List [List[int]]: '''Return a list that contains the teams that have exactly two members who are in students. >>> valid_teams ([[1, 2], [3, 4]], [1, 2, 3]) [[1, 2]] >>> valid_teams ([[1, 2, 3], [1, 5, 6], [1, 6]], [1, 2, 5, 6]) [[1, 2, 3], [1, 6]] >>> valid_teams ([[1]], [1, 2, 3]) []
Student Number, Grade
101029383,90
192736611,10
109800384,0
292833315,80
Complete the function below. If a line is long, you may write it in multiple lines at one blank, but please
only write a single statement.
def write_final_grades (assignment_grades: Dict, resubmit_grades: Dict, fname: str) -> None:
"""Write final marks to a final grade file named fname.
assignment_grades maps student numbers to grades for the original assignment
submission. resubmit_grades maps student numbers to grades for the resubmission
of the same assignment. The resubmit penalty of 20% has not been applied within
resubmit_grades. The higher mark, after resubmit penalties are applied, is the
final mark for a student.
Assume that the same student IDs are in both dictionaries.
Assuming "grades.txt" is the original grade file shown (on the previous page) and
"resubmit.txt" is the file above this function header:
>>> original = make_dictionary ("grades.txt")
>>> resubmit = make_dictionary ("resubmit.txt")
>>> write_final_grades (original, resubmit, "final.txt")
Then final.txt should look as follows:
Student Number, Grade
101029383,80
192736611,8
292833315,64
109800384, 100
||||||
grade_file = open(.
for student number in assignment_grades:
Page 12 of 20
better =
Cross if off "Student Number, Grade"
grade_file..
CONT'D...
Transcribed Image Text:Student Number, Grade 101029383,90 192736611,10 109800384,0 292833315,80 Complete the function below. If a line is long, you may write it in multiple lines at one blank, but please only write a single statement. def write_final_grades (assignment_grades: Dict, resubmit_grades: Dict, fname: str) -> None: """Write final marks to a final grade file named fname. assignment_grades maps student numbers to grades for the original assignment submission. resubmit_grades maps student numbers to grades for the resubmission of the same assignment. The resubmit penalty of 20% has not been applied within resubmit_grades. The higher mark, after resubmit penalties are applied, is the final mark for a student. Assume that the same student IDs are in both dictionaries. Assuming "grades.txt" is the original grade file shown (on the previous page) and "resubmit.txt" is the file above this function header: >>> original = make_dictionary ("grades.txt") >>> resubmit = make_dictionary ("resubmit.txt") >>> write_final_grades (original, resubmit, "final.txt") Then final.txt should look as follows: Student Number, Grade 101029383,80 192736611,8 292833315,64 109800384, 100 |||||| grade_file = open(. for student number in assignment_grades: Page 12 of 20 better = Cross if off "Student Number, Grade" grade_file.. CONT'D...
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