打开 CSV 文件时,整数列将转换为字符串值(“1”、“23”等)。循环将它们转换回整数的最佳方法是什么?
import csv
with open('C:/Python27/testweight.csv', 'rb') as f:
reader = csv.reader(f)
rows = [row for row in reader if row[1] > 's']
for row in rows:
print row
CSV 文件如下:
Account Value
ABC 6
DEF 3
GHI 4
JKL 7
我认为这符合你的要求:
import csv
with open('C:/Python27/testweight.csv', 'r', newline='') as f:
reader = csv.reader(f, delimiter='\t')
header = next(reader)
rows = [header] + [[row[0], int(row[1])] for row in reader if row]
for row in rows:
print(row)
Output:
['Account', 'Value']
['ABC', 6]
['DEF', 3]
['GHI', 4]
['JKL', 7]
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