import numpy as np
data = """
In the small town of Elderville, nestled between rolling hills and dense forests, life moved at a leisurely pace. The townspeople, a close-knit community, took pride in their rich history and the legends that whispered through the ancient trees. It was in this quaint town that our story begins, with a discovery that would change everything.Emma, a young archaeologist, had always been fascinated by the stories her grandmother told her about Elderville's past. Tales of hidden treasures, ancient civilizations, and forgotten secrets had fueled her curiosity since childhood. After years of study and hard work, she finally returned to her hometown, determined to uncover the truth behind the legends.
One crisp autumn morning, while exploring the outskirts of the forest, Emma stumbled upon an old, crumbling stone wall. Intrigued, she began to clear away the overgrown vegetation, revealing more of the ancient structure. As she worked, she noticed strange symbols etched into the stones. They were unlike anything she had ever seen before.Emma's heart raced with excitement. She carefully documented the symbols and took photographs, eager to study them further. She couldn't shake the feeling that she had stumbled upon something significant, something that had been hidden for centuries.
That evening, as the sun dipped below the horizon, casting a golden glow over the town, Emma gathered her notes and headed to the local library. She needed to compare the symbols she had found with the records and texts she had studied over the years.In the dimly lit library, surrounded by towering shelves of ancient books, Emma poured over the texts, cross-referencing the symbols with those in her notes. Hours passed, and as the clock struck midnight, she finally found a match. The symbols were part of an ancient language, long forgotten and believed to be lost to time.
Emma's hands trembled as she realized the significance of her discovery. This language belonged to a civilization that predated Elderville, a civilization that had thrived and vanished long before the town was established. She knew she had to dig deeper, to uncover the secrets buried beneath the soil of her beloved hometown.The next day, Emma assembled a team of local historians and archaeologists, sharing her findings and igniting their curiosity. Together, they began a systematic excavation of the site. As they dug deeper, they uncovered more structures, revealing the remnants of an ancient city.
Word of the discovery spread quickly, drawing attention from scholars and enthusiasts from around the world. Elderville, once a sleepy town, became a bustling hub of activity, with people flocking to witness the unearthing of history.Emma and her team worked tirelessly, driven by the desire to understand the lives of those who had once inhabited the ancient city. They uncovered artifacts, pottery, tools, and even fragments of ancient manuscripts. Each discovery brought them closer to piecing together the story of the lost civilization.
As weeks turned into months, Emma and her team made remarkable progress. They discovered a central plaza, surrounded by grand structures that hinted at the city's former glory. One building, in particular, caught Emma's attention. It was a large, ornate temple, its walls adorned with intricate carvings and more of the mysterious symbols.
Emma felt a strange connection to the temple, as if it held the key to understanding the ancient civilization. She spent countless hours studying the carvings, trying to decipher their meaning. One evening, as she traced her fingers over the symbols, she felt a faint vibration beneath her fingertips.Startled, Emma pressed her ear against the stone wall. The vibration grew stronger, accompanied by a low, rhythmic hum. Her heart pounded as she realized that the temple was not just a relic of the past but a living entity, pulsating with energy.
Emma's discovery sent shockwaves through the archaeological community. Scholars and scientists from around the world flocked to Elderville, eager to study the temple and unlock its secrets. The once-quiet town was now a hive of activity, with tents and equipment set up around the excavation site.As Emma delved deeper into her research, she began to experience vivid dreams. In her dreams, she saw glimpses of the ancient civilization, their daily lives, their rituals, and their connection to the temple. She felt a profound sense of déjà vu, as if she had lived among them in another life.
Driven by her dreams and her unwavering determination, Emma continued her work, knowing that the answers she sought were within reach. The discovery of the ancient city had brought her closer to understanding not only the past but also her own place in the grand tapestry of history.The hum emanating from the temple grew louder with each passing day, drawing the attention of the townspeople and the world beyond. Emma and her team had set up a command center near the temple, equipped with state-of-the-art technology to monitor the vibrations and the energy pulses.As they analyzed the data, they discovered that the temple's energy was not random but followed a precise pattern. It was as if the temple was communicating, trying to convey a message. Emma's dreams became more intense, filled with visions of the ancient civilization and their connection to the temple.One night, as Emma sat alone in the command center, poring over the data, she felt an overwhelming urge to return to the temple. Guided by an unseen force, she made her way through the darkened streets of Elderville to the excavation site.The temple stood bathed in the soft glow of moonlight, its carvings casting eerie shadows. Emma approached the entrance, her heart pounding in her chest. As she stepped inside, the hum grew louder, resonating through her entire being.In the center of the temple, she found a large, circular stone platform. The symbols on the platform matched those she had seen in her dreams. Without hesitation, Emma placed her hands on the platform. The hum intensified, and the symbols began to glow with a brilliant light.Emma felt a surge of energy course through her body, and her mind was flooded with memories that were not her own. She saw the ancient civilization in all its glory, their advanced technology, their deep connection to nature, and their reverence for the temple.The temple, she realized, was a conduit for their collective consciousness, a way for them to communicate with each other and with the universe. As the memories flowed through her, Emma understood that the temple had been waiting for someone to awaken it, someone who could bridge the gap between the past and the present.The energy from the temple surged, enveloping Emma in a cocoon of light. When the light finally faded, she found herself standing in the central plaza of the ancient city, surrounded by the inhabitants she had seen in her dreams.They greeted her with smiles and open arms, welcoming her as one of their own. Emma felt a profound sense of belonging, as if she had finally come home. The leader of the ancient civilization, a wise and gentle woman named Lyra, stepped forward."Welcome, Emma," Lyra said, her voice soft and melodic. "You have awakened the temple and unlocked the memories of our people. You are the bridge between our worlds."Emma's eyes filled with tears as she realized the significance of her journey. She had not only uncovered the secrets of the past but had also forged a connection that transcended time and space. She had become the guardian of their legacy, entrusted with the knowledge and wisdom of the ancient civilization.For days, Emma lived among the ancient people, learning their ways and absorbing their knowledge. She discovered that their advanced technology was powered by a deep understanding of the natural world and a harmonious relationship with the earth.They taught her how to harness the energy of the temple, using it to heal, to communicate, and to create. Emma felt her own abilities growing, her mind expanding as she embraced her role as the bridge between their worlds.When the time came for her to return to her own world, Emma felt a pang of sadness. She had found a new family among the ancient people, and the thought of leaving them was almost unbearable. But Lyra reassured her."You are never truly apart from us," Lyra said, placing a hand on Emma's shoulder. "The connection we share is eternal. You carry our knowledge and our spirit within you. Use it wisely, and continue to seek the truth."With a heavy heart, Emma stepped back onto the stone platform. The symbols glowed once more, and she felt the familiar surge of energy. When the light faded, she found herself back in the temple, the hum now a gentle whisper.The experience had left her changed, her mind and body buzzing with newfound energy and purpose. Emma knew that her journey was far from over. She had a responsibility to share the knowledge she had gained, to help others understand the ancient wisdom and to use it to create a better world.As she stepped out of the temple, the first rays of dawn broke over the horizon, casting a warm glow over Elderville. The town that had once been her home was now the starting point of a new chapter in her life.Emma returned to the command center, where her team awaited her anxiously. She shared her experience, her visions, and the knowledge she had gained. They listened in awe, their skepticism melting away as they saw the transformation in her eyes.Together, they began to decode the messages from the temple, applying the ancient wisdom to their research and discoveries. The energy from the temple, now harnessed and understood, became a source of healing and innovation for the people of Elderville and beyond.
News of the temple's awakening and Emma's experiences spread like wildfire, attracting attention from scientists, historians, and spiritual leaders around the world. Elderville became a beacon of hope and curiosity, drawing visitors eager to learn from the ancient wisdom and witness the remarkable energy of the temple. Emma found herself at the center of this whirlwind, juggling her responsibilities as a researcher, teacher, and guardian of the ancient knowledge, collaborating with experts from various fields to explore new applications for the ancient technology. A breakthrough came when physicists and engineers discovered a way to harness the temple's energy for sustainable power, potentially transforming global energy consumption. This discovery brought international acclaim and made Elderville a hub of scientific innovation. Amidst the flurry of activity, Emma continued to experience vivid dreams and visions from the ancient civilization, guiding her to understand the balance between progress and preservation. One night, Lyra appeared beside her, revealing a vision of the civilization's downfall caused by catastrophic earthquakes and volcanic eruptions due to their failed attempts to harness planetary energy. This vision underscored the importance of preventing history from repeating itself, leading Emma to develop new safety measures and advocate for environmental preservation. Her work inspired a global movement towards sustainable living and mindful progress, and Elderville became a symbol of hope and resilience. Years later, Emma remained deeply connected to her roots, mentoring the next generation of scientists and environmentalists, and the town thrived as an example of harmonious progress. Emma's legacy lived on through her scientific advancements and environmental advocacy, bridging the gap between past wisdom and future innovation. As she stood at the temple's entrance, gazing at the town she loved, Emma knew her journey was ongoing, ready to embrace new discoveries and continue making the world a better place, with the hum of the temple as a constant reminder of the connection between all living things."""

# Create a set of characters and mappings
chars = list(set(data))
data_size, vocab_size = len(data), len(chars)

char_to_idx = {ch: i for i, ch in enumerate(chars)}
idx_to_char = {i: ch for i, ch in enumerate(chars)}

# Convert data to indices
data_indices = [char_to_idx[ch] for ch in data]

data_indices[:10]

hidden_size = 128  # Number of hidden neurons
seq_length = 25    # Number of steps to unroll the RNN
learning_rate = 1e-2

# Model parameters
Wxh = np.random.randn(hidden_size, vocab_size) * 0.1  # input to hidden
Whh = np.random.randn(hidden_size, hidden_size) * 0.1  # hidden to hidden
Why = np.random.randn(vocab_size, hidden_size) * 0.1  # hidden to output
bh = np.zeros((hidden_size, 1))  # hidden bias
by = np.zeros((vocab_size, 1))   # output bias

def softmax(x):
    x -= np.max(x)  # For numerical stability
    return np.exp(x) / np.sum(np.exp(x), axis=0)

def lossFun(inputs, targets, hprev):
    xs, hs, ys, ps = {}, {}, {}, {}
    hs[-1] = np.copy(hprev)
    loss = 0

    # Forward pass
    for t in range(len(inputs)):
        xs[t] = np.zeros((vocab_size, 1))
        xs[t][inputs[t]] = 1  # One-hot encoding
        hs[t] = np.tanh(np.dot(Wxh, xs[t]) + np.dot(Whh, hs[t-1]) + bh)
        ys[t] = np.dot(Why, hs[t]) + by
        ps[t] = softmax(ys[t])
        loss += -np.log(ps[t][targets[t], 0])

    # Backward pass
    dWxh, dWhh, dWhy = np.zeros_like(Wxh), np.zeros_like(Whh), np.zeros_like(Why)
    dbh, dby = np.zeros_like(bh), np.zeros_like(by)
    dhnext = np.zeros_like(hs[0])

    for t in reversed(range(len(inputs))):
        dy = np.copy(ps[t])
        dy[targets[t]] -= 1
        dWhy += np.dot(dy, hs[t].T)
        dby += dy
        dh = np.dot(Why.T, dy) + dhnext
        dhraw = (1 - hs[t] * hs[t]) * dh
        dbh += dhraw
        dWxh += np.dot(dhraw, xs[t].T)
        dWhh += np.dot(dhraw, hs[t-1].T)
        dhnext = np.dot(Whh.T, dhraw)

    for dparam in [dWxh, dWhh, dWhy, dbh, dby]:
        np.clip(dparam, -5, 5, out=dparam)  # Clip gradients to mitigate exploding gradients

    return loss, dWxh, dWhh, dWhy, dbh, dby, hs[len(inputs)-1]

n, p = 0, 0
hprev = np.zeros((hidden_size, 1))  # Reset RNN memory

while n < 10000:
    if p + seq_length + 1 >= len(data_indices) or n == 0:
        hprev = np.zeros((hidden_size, 1))
        p = 0  # Reset data pointer

    inputs = data_indices[p:p + seq_length]
    targets = data_indices[p + 1:p + seq_length + 1]

    # Forward and backward pass
    loss, dWxh, dWhh, dWhy, dbh, dby, hprev = lossFun(inputs, targets, hprev)

    # Update model parameters
    for param, dparam in zip([Wxh, Whh, Why, bh, by], [dWxh, dWhh, dWhy, dbh, dby]):
        param -= learning_rate * dparam

    if n % 1000 == 0:
        print(f'Iteration {n}, loss: {loss}')

    p += seq_length
    n += 1

def sample(h, seed_ix, n):
    x = np.zeros((vocab_size, 1))
    x[seed_ix] = 1
    ixes = []
    for t in range(n):
        h = np.tanh(np.dot(Wxh, x) + np.dot(Whh, h) + bh)
        y = np.dot(Why, h) + by
        p = softmax(y)
        ix = np.random.choice(range(vocab_size), p=p.ravel())
        x = np.zeros((vocab_size, 1))
        x[ix] = 1
        ixes.append(ix)
    return ixes

seed_ix = char_to_idx[data[0]]
sampled_indices = sample(hprev, seed_ix, 200)
sampled_text = ''.join(idx_to_char[ix] for ix in sampled_indices)
print(f'Sampled text: {sampled_text}')