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Python进阶 -- 3. 处理CSV格式

2017-03-09 14:31 211 查看
CSV文件格式

将数据作为一系列以逗号分隔的值 (CSV)

(1). 分析CSV文件头

import csv
filename = '111.csv'
with open(filename) as f:
reader = csv.reader(f)
header_row = next(reader)
print(header_row)


(2). 打印文件头及其位置

import csv
filename = '111.csv'
with open(filename) as f:
reader = csv.reader(f)
header_row = next(reader)

for index, column_header in enumerate(header_row):
print(index, column_header)


(3). 提取并读取数据

import csv

filename = '111.csv'
with open(filename) as f:
reader = csv.reader(f)
header_row = next(reader)

highs = []
for row in reader:
highs.append(row[1])

print(highs)
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