读取第一行
with open("est.txt","r",encoding="utf-8") as f: r = f.readlines() print(r[0]) # 读第一行
读取最后一行
with open("est.txt","r",encoding="utf-8") as f: r = f.readlines() print(r[0]) # 读第一行 print(r[-1]) # 读最后一行
读取第一行
with open("est.txt","r",encoding="utf-8") as f: r = f.readlines() print(r[0]) # 读第一行
读取最后一行
with open("est.txt","r",encoding="utf-8") as f: r = f.readlines() print(r[0]) # 读第一行 print(r[-1]) # 读最后一行