Python 讀取文件列數

讀取Excel 文件 的列數：

#! /usr/bin/env python
# -*- coding:utf-8 -*-
import sys
import csv
import os

input_path = r"D:\\"
input_csv = csv.reader(open(input_path + "xxx.csv", 'r'))
row_num = ""
for row in input_csv:
    row_num = row
print len(row_num)