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- TODO 13 Complete the following Standardization class. Recall that we want to compute the mean and STD for each column! Think about what value we need to set the 'axis' argument equal to in order to achieve this. In the fit() method, compute the mean of the input X using np.mean(). Store the output into the variable self.mean. In the fit() method, compute the STD of the input X using np.std(). Store the output into the variable self.std. In the transform() method, compute and return the standardization for the input X. In other words, convert the standardization general formula into code and return the output. class Standardization(BaseEstimator, TransformerMixin): def __init__(self): pass def fit(self, X, y=None): # TODO 13.1 self.mean = np.mean(X) # TODO 13.2 self.std = np.std(X) # Always return self return self def transform(self, X): # TODO 13.3 return scale = Standardization()scaled_df =…C++ only Example Input14 31 1 1 24 14 23 2Example Output432Consider the following context-free grammar for statements: 1) E > E+T 2) E →T 3) T > I*F 4) T →F 5) F → (E) 6) F → id which can be analyzed with the LR Parsing Table given as following. Action Goto id + * () $ ETF State s5 s4 |12 3 1 s6 асс 2 r2 s7 r2 r2 3 r4 r4 r4 r4 4 $5 $4 8 2 3 5 r6 r6 r6 r6 6. s5 $4 9 3 7 s5 $4 10 s6 s11 9 rl s7 rl rl 10 r3 r3 r3 r3 11 r5 r5 r5 r5 Show a complete parse, including the parse stack contents, input string, and action for the string id*(id + id), using the grammar and parse table given. 8.
- USE PYTHON LANGUAGE. READ INPUT FROM FILE (NAME THE FILE "input.txt') The problem needs to be solved using Greedy Algorithm Strategy. Jack and Jill’s parents decide to make their children do some house chores. So they list a set of activities that can be completed in a whole day. In order to complete each activity a certain amount of time (in hours) is required. The parents randomly call each of their children several times separately to choose from the given activities. In each call the children choose an activity based on the following conditions: In each call, each of them chooses one activity Jack has to choose an activity that has not been selected yet. Jill, being very little, should choose an activity that Jack has already chosen so that she can help her older brother because she cannot do such tasks by herself. Jack does not like doing chores, so he decides he would choose the activity that requires the shortest amount of time to complete among the remaining activities.…List all the answers to this question. This is in Python. Explain your reasoning. Previously, I had selected option 1, 5,9 but this was marked incorrectly. NOTE: THIS EITHER MEANS THAT THERE ARE MORE CHOICES OR I HAVE SELECTED EXTRA CHOICES. So, please help me out. Thanks.Bottom: Given b, set the low-order b bits of x to 1; the others to 0. For example, if b is 3, x should be 7. Pay special attention to the edge cases: if b is 32 x should be −1; if b is 0 x should be 0. Do not use - in your solution. Write code in Java. Provided input(s): b Permitted: 40 operations (may use !, ~, +, <<, >>, &, ^, |) Hint: The obvious solution ~(0xFFFFFFFF << b) won’t work. Bit shifts always do a modulo on their right-hand operand, so a << b does the same thing as a << (b % (8*sizeof(a)). Thus, << 32 and << 0 do the same thing.