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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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Complete the docstring.

def count_odds_from_file(number_file: TextI0) -> List[int]:
""Return a list of counts of odd numbers in each section of the file
number_file. Each section in number_file begins with a line that contains
only START and ends with a line that contains only END.
Preconditions: each line in number_file is either START, END, or a string
of digits that can be converted to an int.
number_file is properly formatted to contain 0 or more sections structured:
START
<0 or more lines of numbers>
END
>>> f =
open('sample_numbers.txt')
>> count_odds_from_file(f)
[1, 0, 2]
>>> f.close()
II II II
Transcribed Image Text:def count_odds_from_file(number_file: TextI0) -> List[int]: ""Return a list of counts of odd numbers in each section of the file number_file. Each section in number_file begins with a line that contains only START and ends with a line that contains only END. Preconditions: each line in number_file is either START, END, or a string of digits that can be converted to an int. number_file is properly formatted to contain 0 or more sections structured: START <0 or more lines of numbers> END >>> f = open('sample_numbers.txt') >> count_odds_from_file(f) [1, 0, 2] >>> f.close() II II II
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