在字典中使用collatz序列

def collatz_sequence(n):
    sequence = [n]
    while n != 1:
        if n % 2 == 0:
            n = n // 2
        else:
            n = 3 * n + 1
        sequence.append(n)
    return sequence

# 示例使用
start_number = 6
print(f"Collatz sequence for {start_number}: {collatz_sequence(start_number)}")

import sqlite3

def store_sequence_in_db(sequence):
    conn = sqlite3.connect('collatz_sequences.db')
    c = conn.cursor()
    c.execute('''CREATE TABLE IF NOT EXISTS sequences (id INTEGER PRIMARY KEY, sequence TEXT)''')
    c.execute('''INSERT INTO sequences (sequence) VALUES (?)''', (','.join(map(str, sequence)),))
    conn.commit()
    conn.close()

# 示例使用
store_sequence_in_db(collatz_sequence(6))