import csv
src_set = []
file_name = 'coffee.csv'
def read_csv():
file_path = file_name
with open(file_path, "r", encoding="utf-8") as fr:
data = csv.reader(fr)
for row in data:
src_set.append(row[0])
python datetime
import datetime
datetime.datetime.now().strftime(“%Y%m%d%H%M%S”)
Python读写xls表格内容
xlrd:读取xls内容
xlwt:内容写到xls。
import xlrd
import xlwt
src_set = []
dst_set = []
file_name = "Reverse"
def read_xls():
file_path = file_name + ".xls"
xls_file = xlrd.open_workbook(file_path)
xls_sheet1 = xls_file.sheets()[0] #第一个sheet
nrows = xls_sheet1.nrows #行数
for index in range(nrows):
row_value = xls_sheet1.cell(index, 0) #第几行第一列
src_set.append(str(row_value.value))
def write_xls():
work_book = xlwt.workbook(encoding='utf-8')
sheet = work_book.add_sheet("result") #增加sheet
index = 0
for result in dst_set:
print(result)
sheet.write(index, 0, result[0]) #第几行第一列
sheet.write(index, 1, result[1]) #第几行第二列
work_book.save(file_name + "_result_" + datetime.datetime.now().strftime("%Y%m%d%H%M%S") + ".xls")
注意:不支持xlsx格式,可以先把xlsx另存为xls格式。
Mac下VSCode调试python报错:certificate verify failed: unable to get local issuer certificate
1、退出VSCode;
2、在finder中输入Install Certificates.command,然后自动安完证书;
3、启动vscode,重新调试,正常了。