import sys
print(f"Python version: {sys.version}")
try:
    import tensorflow as tf
    print(f"TensorFlow version: {tf.__version__}")
except Exception as e:
    print(f"TensorFlow import failed: {e}")

try:
    import keras
    print(f"Keras version: {keras.__version__}")
except Exception as e:
    print(f"Keras import failed: {e}")

try:
    from tensorflow import keras as tf_keras
    print("from tensorflow import keras successful")
except Exception as e:
    print(f"from tensorflow import keras failed: {e}")

try:
    import torch
    print(f"PyTorch version: {torch.__version__}")
except Exception as e:
    print(f"PyTorch import failed: {e}")