王妤甄python,方法read(),seek(0),readlines(),in

file = open('金融常識.txt','r',encoding='utf-8')
lines = file.readlines()
file.seek(0)
reading = file.read()
file.close()
print(len(lines), len(reading))
x = input('金一乙王妤甄輸入搜尋關鍵詞: ')
n=0
for line in lines:
   if x in line: # if line.find(x) !=-1: 使用python更強的功能in
      n += 1# 被更常使用
      print(n, ' ',line,end="")#預設結束換列
print(f'\n總共{n}題目')