李恩銘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('金一乙李恩銘輸入搜尋關鍵詞,列出所有題目: ')
n = 0
for line in lines:
   if x in line:
     n += 1
     print(n, " ",line,end="")
print(f"\n總共{n}題目")