python读Excel

import xlrd

def open_excel(fileName="TransInfo.xlsx"):
try:
fileHandler = xlrd.open_workbook(fileName)
return fileHandler
except Exception as e:
print( str(e) )

def scan_excel(sheet_name1=u'Sheet1'):
handler = open_excel()
page = handler.sheet_by_name(sheet_name1)
return page

def trim_cols(index=0):
page = scan_excel()
col1 = page.col_values(index)
col2 = []

for item in col1:
if item not in col2:
col2.append(item)
print( col1)
print( col2)

def main():
trim_cols()

if __name__ == "__main__":
main()