import openpyxl as px
wb = px.load_workbook(r"C:\Users\〇〇〇\Desktop\テスト.xlsx")
ws = wb["Sheet1"]
lastrow = ws.max_row
for i in range(2, lastrow + 1):
suraisu = ws.cell(row=i,column=1).value
if suraisu != None:
ws.cell(row=i,column=1).value = str(suraisu)[2:5]
def save():
wb.save(filename = r"C:\Users\〇〇〇\Desktop\テスト.xlsx")
save()
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