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charles.py
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charles.py
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# Import the necessary libraries
import random
def initialize_population(pop_size, num_practical_turns, subjects_per_practical_turn, days_per_week, blocks_per_day):
"""
Generates a population of schedules for a given number of individuals, where each individual
consists of a possible weekly schedule for all the Practical Turns
Parameters:
- pop_size (int): Number of individuals (schedules) in the population.
- num_practical_turns (int): Number of Practical Turns.
- subjects_per_practical_turn (int): Number of unique subjects each Practical Turn can have.
- days_per_week (int): Number of days per week that classes are scheduled.
- blocks_per_day (int): Number of blocks (periods) in each day's schedule.
Returns:
- list: A list of individuals, where each individual is a list of Practical Turns, and each Practical Turn is a list
of week days, with each day being a list of subjects (or 'Break') representing the schedule for that day for that
Practical Turn.
"""
# Initialize an empty list to store the Population
population = []
# Loop through the number of individuals to create
for _ in range(pop_size):
# Initialize an empty list to store the schedules for the current individual
individual = []
# Loop through the number of Practical Turns to create schedules for each turn
for class_index in range(num_practical_turns):
# Generate a list of subject names from 'Subject_1' to 'Subject_30'
subjects = [f"Subject_{i + 1}" for i in range(31)]
random.shuffle(subjects) # Shuffle the list to randomize subject assignment
# Slice the list to get the desired number of subjects for the current Practical Turn
class_subjects = subjects[:subjects_per_practical_turn]
# Generate a weekly schedule for each Practical Turn
weekly_schedule = []
for day in range(days_per_week):
# Randomly decide how many Break blocks the current day will have
num_break_blocks = random.randint(1, blocks_per_day)
# The number of subjects blocks the current day will have is the blocks per day - number of break blocks
num_subject_blocks = blocks_per_day - num_break_blocks
# Randomly select which subjects the current Practical Turn will have using the count of subjects blocks
# and selecting only from the subjects that the current Practical Turn is enrolled in
day_schedule = random.choices(class_subjects, k=num_subject_blocks)
# Fulfil the rest of the day with only Break blocks
day_schedule.extend(['Break'] * num_break_blocks)
random.shuffle(day_schedule) # Shuffle to randomize the position of the 'Break' and subjects blocks
weekly_schedule.append(day_schedule) # Append the daily schedule to the weekly schedule of the current Practical Turn
# Append the weekly schedule to the current individual's list of schedules
individual.append(weekly_schedule)
# Append the fully scheduled individual to the population list
population.append(individual)
return population
# Generate a population with 100 individuals, each with 10 Practical Turns, 4 subjects per Practical Turn,
# 5 days per week, and 8 blocks per day
population = initialize_population(100, 10, 4, 5,
8)