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/**
 * This is the solution for the test
 * https://oj.leetcode.com/problems/climbing-stairs/
 * It follows a cached Fibonacci startegy.
 */
 
public class Solution {
    public void Init(int n)
    {
        nsteps = new int[n+1];

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"""
Fetch all the FOMC meeting dates(since 1936) from the official website of FOMC.

The dates are separated in two parts

- 2010 - 2016 on https://www.federalreserve.gov/monetarypolicy/fomccalendars.htm
- Before 2010 on https://www.federalreserve.gov/monetarypolicy/fomc_historical.htm, this part contains some code in javascript.
"""

from urllib import urlopen

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"""
Plotting functions
"""

import plotly.plotly as py
import plotly.graph_objs as go


def plot_time_series(df, title=None):
    trace = go.Scatter(x=df.index, y=df)

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"""
Numerical methods
"""
import numpy as np
from sklearn.datasets.samples_generator import make_regression
import pylab
from scipy import stats


def predict(x, theta):

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## Edited on 21 June, Alice Wang
## To build the docker image
## $ cd .
## $ docker build -t fc .

FROM debian:8.3

RUN DEBIAN_FRONTEND=noninteractive apt-get update --fix-missing
RUN DEBIAN_FRONTEND=noninteractive apt-get install -y python2.7 python2.7-dev pkg-config
RUN DEBIAN_FRONTEND=noninteractive apt-get install -y libxml2-dev libxslt-dev python-lxml

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def autocorr(x):
    # auto correlation
    # from http://tinyurl.com/afz57c4
    result = np.correlate(x, x, mode='full')
    result = result / np.max(result)
    return result[result.size / 2:]

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"""
To transfer and fetch the data from server
"""
import os
import paramiko


class InternalSSHClient(object):
    """
    Examples

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import IPython.core.display as di

# This line will hide code by default when the notebook is exported as HTML
di.display_html('<script>jQuery(function() {if (jQuery("body.notebook_app").length == 0) { jQuery(".input_area").toggle(); jQuery(".prompt").toggle();}});</script>', raw=True)

# This line will add a button to toggle visibility of code blocks, for use with the HTML export version
di.display_html('''<button onclick="jQuery('.input_area').toggle(); jQuery('.prompt').toggle();">Toggle code</button>''', raw=True)

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import collections

lst = [1, 3, 1, 4, 2, 5, 3, 4, 3]
cnt = collections.Counter(lst)
cnt.most_common(1)

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# inheritance vs delegation
# http://www.jguru.com/faq/view.jsp?EID=27916