摘要:
int a=1,b=1; while(a++) { b = a*4-303; if(a*5==a+b+303&&b>0&&(a*5)%7==0&&b%((a*5)/7)==0)//&&b%7==0&&b>0) { printf("总数 = %d\n a = %d\n b = %d\n c = %d",a*5,... 阅读全文
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int x[20]={0}; int y[20]={0}; int a;//层数 printf("请输入杨辉三角形的层数:"); scanf("%d",&a); int i,j,k; for(i=0;i<a;i++) { if(i == 0) { x[i]=1; ... 阅读全文
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int main() { int a; int arr[10]={0}; printf("请输入一个数:"); scanf("%d",&a); while(a!=1&&a!=145) { printf("现在的数是%d->",a); int i = 0; while(a > 0) { ... 阅读全文
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以上是pandas0.17版本。 以下是pandas0.19版本。 阅读全文
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import os import pandas as pd stock_data = pd.read_csv('stock data/sh600898.csv',parse_dates=[1]) #设定转换周期period_type 转换为周是'W',月'M',季度线'Q',五分钟'5min',12天'12D' period_type = 'W' #将[date]设定为 index ... 阅读全文
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import os import pandas as pd stock_code_list = [] for root,dirs,files in os.walk('stock data'): if files: for f in files: if '.csv' in f: stock_code_list.ap... 阅读全文
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import pandas as pd import numpy as np df = pd.read_csv('000917.csv',encoding='gbk') df = df[df['涨跌幅']!='None'] df['涨跌幅'] = df['涨跌幅'].astype(np.float64) print(df[df['涨跌幅']>5]) 阅读全文
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DOS版 界面版im.py pyCyp.py 阅读全文
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500w.py pyCyp.py 阅读全文
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#H = ['01','02','03','04','05','06','07','08','09','10','11','12','13','14','15','16',\ # '17','18','19','20','21','22',' 阅读全文