print() is a function in Python 3

[cclauss]

flake8 testing of https://github.com/learning511/cs224n-learning-camp on Python 3.7.1

$ flake8 . --count --select=E901,E999,F821,F822,F823 --show-source --statistics

./assigments/assignment3/q3_gru_cell.py:73:18: F821 undefined name 'new_state'
        output = new_state
                 ^
./assigments/assignment3/q3_gru_cell.py:74:24: F821 undefined name 'new_state'
        return output, new_state
                       ^
./assigments/assignment3/q3_gru.py:92:16: F821 undefined name 'preds'
        return preds #state # preds
               ^
./assigments/assignment3/q3_gru.py:114:16: F821 undefined name 'loss'
        return loss
               ^
./assigments/assignment3/q3_gru.py:153:16: F821 undefined name 'train_op'
        return train_op
               ^
./assigments/assignment3/q1_window.py:102:10: E999 IndentationError: expected an indented block
    return windowed_data
         ^
./assigments/assignment3/q2_rnn_cell.py:70:18: F821 undefined name 'new_state'
        output = new_state
                 ^
./assigments/assignment3/q2_rnn_cell.py:71:24: F821 undefined name 'new_state'
        return output, new_state
                       ^
./assigments/assignment3/q2_rnn.py:170:16: F821 undefined name 'feed_dict'
        return feed_dict
               ^
./assigments/assignment3/q2_rnn.py:194:16: F821 undefined name 'embeddings'
        return embeddings
               ^
./assigments/assignment3/q2_rnn.py:286:16: F821 undefined name 'loss'
        return loss
               ^
./assigments/assignment3/q2_rnn.py:309:16: F821 undefined name 'train_op'
        return train_op
               ^
./assigments/assignment3/q2_rnn.py:506:32: F821 undefined name 'raw_input'
                    sentence = raw_input("input> ")
                               ^
./assigments/assignment1/q3_run.py:42:70: E999 SyntaxError: invalid syntax
print "sanity check: cost at convergence should be around or below 10"
                                                                     ^
./assigments/assignment1/q2_neural.py:62:35: E999 SyntaxError: invalid syntax
    print "Running sanity check..."
                                  ^
./assigments/assignment1/q3_sgd.py:96:31: E999 SyntaxError: invalid syntax
            print "iter %d: %f" % (iter, expcost)
                              ^
./assigments/assignment1/q2_gradcheck.py:46:42: E999 SyntaxError: invalid syntax
            print "Gradient check failed."
                                         ^
./assigments/assignment1/q4_sentiment.py:195:35: E999 SyntaxError: invalid syntax
        print "Training for reg=%f" % reg
                                  ^
./assigments/assignment1/q1_softmax.py:51:34: E999 SyntaxError: invalid syntax
    print "Running basic tests..."
                                 ^
./assigments/assignment1/q3_word2vec.py:25:36: E999 SyntaxError: invalid syntax
    print "Testing normalizeRows..."
                                   ^
./assigments/assignment1/q2_sigmoid.py:49:34: E999 SyntaxError: invalid syntax
    print "Running basic tests..."
                                 ^
./assigments/assignment1/utils/treebank.py:142:18: F821 undefined name 'xrange'
        for i in xrange(self.numSentences()):
                 ^
./assigments/assignment1/utils/treebank.py:154:30: F821 undefined name 'xrange'
        split = [[] for i in xrange(3)]
                             ^
./assigments/assignment1/utils/treebank.py:206:18: F821 undefined name 'xrange'
        for w in xrange(nTokens):
                 ^
./assigments/assignment1/utils/treebank.py:223:18: F821 undefined name 'xrange'
        for i in xrange(self.tablesize):
                 ^
./assigments/assignment1/utils/treebank.py:238:18: F821 undefined name 'xrange'
        for i in xrange(nTokens):
                 ^
./assigments/assignment2/q2_initialization.py:37:34: E999 SyntaxError: invalid syntax
    print "Running basic tests..."
                                 ^
./assigments/assignment2/q2_parser_transitions.py:88:28: E999 SyntaxError: invalid syntax
    print "{:} test passed!".format(name)
                           ^
./assigments/assignment2/q2_parser_model.py:186:37: E999 SyntaxError: invalid syntax
        print "Evaluating on dev set",
                                    ^
./assigments/assignment2/q1_softmax.py:79:55: E999 SyntaxError: invalid syntax
    print "Basic (non-exhaustive) softmax tests pass\n"
                                                      ^
./assigments/assignment2/q1_classifier.py:164:57: E999 SyntaxError: invalid syntax
            print 'Epoch {:}: loss = {:.2f} ({:.3f} sec)'.format(epoch, average_loss, duration)
                                                        ^
./assigments/assignment2/utils/general_utils.py:55:18: E999 SyntaxError: invalid syntax
        print name, "passed!"
                 ^
./assigments/assignment2/utils/parser_utils.py:343:27: E999 SyntaxError: invalid syntax
    print "Loading data...",
                          ^
16    E999 SyntaxError: invalid syntax
17    F821 undefined name 'xrange'
33