小编use*_*365的帖子

我正在学习使用Python和API(特别是这个世界杯API,http://www.kimonolabs.com/worldcup/explorer)

JSON数据如下所示:

[
  {
    "firstName": "Nicolas Alexis Julio",
    "lastName": "N'Koulou N'Doubena",
    "nickname": "N. N'Koulou",
    "assists": 0,
    "clubId": "5AF524A1-830C-4D75-8C54-2D0BA1F9BE33",
    "teamId": "DF25ABB8-37EB-4C2A-8B6C-BDA53BF5A74D",
    "id": "D9AD1E6D-4253-4B88-BB78-0F43E02AF016",
    "type": "Player"
  },

 {
    "firstName": "Alexandre Dimitri",
    "lastName": "Song-Billong",
    "nickname": "A. Song",
    "clubId": "35BCEEAF-37D3-4685-83C4-DDCA504E0653",
    "teamId": "DF25ABB8-37EB-4C2A-8B6C-BDA53BF5A74D",
    "id": "A84540B7-37B6-416F-8C4D-8EAD55D113D9",
    "type": "Player"
  },
   ]

我只是想在这个API中打印所有firstNames.这就是我所拥有的:

import urllib2
import json

url = "http://worldcup.kimonolabs.com/api/players?apikey=xxx"
json_obj = urllib2.urlopen(url).read
readable_json = json.dumps(json_obj)
playerstuff = readable_json['firstName']
for i in playerstuff:
    print i['firstName']

但是当我运行它时,我得到错误"......第8行,在...... TypeError:列表索引必须是整数,而不是str"

我已经四处寻找解决方案,但似乎在更深入的"API"问题中找到了问题,我还没有完全理解它,所以对我需要做的任何帮助或解释都会很棒.谢谢!

我正在尝试安装pandas,pip install pandas但是当我这样做时,我收到错误:

命令python setup.py egg_info失败,错误代码1在c:\ users [用户名]\appdata\local\temp\pip_build_ [用户名]\pandas

我按照这里给出的答案安装,ez_setup.py没有发生任何事故,但在做的时候仍然会收到错误pip install pandas.

感谢您的帮助,如果我能提供更多信息,请告诉我.

我试图找出为什么我不能让它运行正常.我只想要用户输入四个,并在最后运行计算.

#include <stdio.h>
#include <math.h>

int main(){
    double amount; /* amount on deposit */
    double principal; /* what's the principal */
    double rate; /* annual interest rate */
    int year; /* year placeholder and no. of total years */
    int yearNo;

    printf("What is the principal? ");
    scanf("%d", &principal);
    printf("What is the rate (in decimal)? ");
    scanf(" .2%d", &rate);
    printf("What is the principal? ");
    scanf(" %d", &principal);
    printf("How many years? ");
    scanf(" %d\n", yearNo);


    printf("%4s%21s\n", "Year", "Amount on deposit");

    /* calculate …