Dataquest学习代码笔记

一

import csvf = open("nfl.csv")csvreader = csv.reader(f)nfl = list(csvreader)

二

from math import *root=math.sqrt(1001)import csvf = open("nfl.csv")csvreader = csv.reader(f)nfl = list(csvreader)patriots_wins=0for row in nfl:    if row[2] == "New England Patriots":        patriots_wins += 1import csvf = open("nfl.csv", 'r')nfl = list(csv.reader(f))# Define your function here.def nfl_wins(input):    n=0    for row in nfl:        if row[2] ==input:            n+= 1    return ncowboys_wins=nfl_wins("Dallas Cowboys")falcons_wins=nfl_wins("Atlanta Falcons")class Dataset:    def __init__(self):        self.type = "csv"dataset = Dataset()print(dataset.type)class Dataset:    def __init__(self):        self.type = "csv"class Dataset:    def __init__(self, data):        self.data = dataf = open("nfl.csv", 'r')csvreader = csv.reader(f)nfl_data = list(csvreader)nfl_dataset = Dataset(nfl_data)dataset_data = nfl_dataset.data