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import tensorflow as tf 
from tensorflow import keras

model = keras.Sequential([keras.layers.Dense(units=1, input_shape=[1])]) 

model.compile(optimizer='sgd', loss='mean_squared_error') 


xs=[1, 2, 3] 
ys=[2, 4, 6] 

model.fit(xs, ys, epochs=1000) 

print(model.predict([7])) 

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorflow\python\framework\dtypes.py", line 516
_np_qint8 = np.dtype([("qint8", np.int8, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorflow\python\framework\dtypes.py", line 517
_np_quint8 = np.dtype([("quint8", np.uint8, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorflow\python\framework\dtypes.py", line 518
_np_qint16 = np.dtype([("qint16", np.int16, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorflow\python\framework\dtypes.py", line 519
_np_quint16 = np.dtype([("quint16", np.uint16, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorflow\python\framework\dtypes.py", line 520
_np_qint32 = np.dtype([("qint32", np.int32, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorflow\python\framework\dtypes.py", line 525
np_resource = np.dtype([("resource", np.ubyte, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py", line 541
_np_qint8 = np.dtype([("qint8", np.int8, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py", line 542
_np_quint8 = np.dtype([("quint8", np.uint8, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py", line 543
_np_qint16 = np.dtype([("qint16", np.int16, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py", line 544
_np_quint16 = np.dtype([("quint16", np.uint16, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py", line 545
_np_qint32 = np.dtype([("qint32", np.int32, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.

Warning (from warnings module):
File "C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorboard\compat\tensorflow_stub\dtypes.py", line 550
np_resource = np.dtype([("resource", np.ubyte, 1)])
FutureWarning: Passing (type, 1) or '1type' as a synonym of type is deprecated; in a future version of numpy, it will be understood as (type, (1,)) / '(1,)type'.
WARNING: Logging before flag parsing goes to stderr.
W0817 13:27:10.047008 4644 deprecation.py:506] From C:\Users\Tobias_Arbeit\AppData\Local\Programs\Python\Python37\lib\site-packages\tensorflow\python\ops\init_ops.py:1251: calling VarianceScaling.__init__ (from tensorflow.python.ops.init_ops) with dtype is deprecated and will be removed in a future version.
Instructions for updating:
Call initializer instance with the dtype argument instead of passing it to the constructor