python GPT-2

from transformers import GPT2LMHeadModel, GPT2Tokenizer

def generate_text(prompt, max_length=100):
    tokenizer = GPT2Tokenizer.from_pretrained("gpt2")
    model = GPT2LMHeadModel.from_pretrained("gpt2")

    inputs = tokenizer.encode(prompt, return_tensors='pt')
    outputs = model.generate(inputs, max_length=max_length, num_return_sequences=1)
    return tokenizer.decode(outputs[0], skip_special_tokens=True)

prompt = "こんにちは"
generated_text = generate_text(prompt)
print(generated_text)