数据如下（姓名, 身高）
order,name,height(cm)
1,George Washington,189
2,John Adams,170
3,Thomas Jefferson,189
4,a,160
5,b,190
6,c,189
7,d,183
8,e,170
9,f,178
10,g,185
11,g1,175
12,g2,150
#coding:utf-8
import matplotlib.pyplot as plt
import numpy as np
import pandas as pd
if __name__ == '__main__':
x = np.arange(10)
'''
#numpy基本函数
print sum(x)
print np.sum(x)
print max(x)
print min(x)
print np.max(x)
x = np.array([[1,2,3],[4,5,6]])
print x
print x.sum(axis=1) #横向加
print x.sum(axis=0) #纵向
'''
#案列
data = pd.read_csv('data.csv')
h = data['height(cm)'] #获取身高
print h
print h.max()
print h.mean()
print h.std()#标准差
print np.median(h) #中位数
#绘图
plt.title("height")
plt.xlabel("height(cm)")
plt.ylabel("number")
print type(h)
plt.hist(h)
plt.show()
