賴若檥python輸入input尋找find沒找到-1

file = open('金融常識.txt','r',encoding='utf-8')
lines = file.readlines()
file.close()
x = input('賴若檥輸入搜尋關鍵詞: ')
for line in lines:
 if line.find(x) != -1: print(line,end="")
 file = open('金融常識.txt','r',encoding='utf-8')
lines = file.readlines()
file.close()
x = input('賴若檥輸入搜尋關鍵詞: ')
n=0
for line in lines:
    if line.find(x) != -1:
        n=n+1  
    print(n," ",line,end=" ")
print(F"總共{n}題")
file = open('金融常識.txt','r',encoding='utf-8')
lines = file.readlines()
file.close()
x = input('賴若檥輸入搜尋關鍵詞: ')
n=0
for line in lines:
    if x in line:
        n=n+1  
    print(n," ",line,end=" ")
print(F"總共{n}題")
file = open('金融常識.txt','r',encoding='utf-8')
reading = file.read()
file.seek(0) #回到檔案的開始
lines = file.readlines()
file.close()
print('read()方法讀共', len(reading), 'readlines()方法讀共', len(lines))
x = input('賴若檥輸入搜尋關鍵詞: ')
n = 0
for line in lines:
    if x in line:
        n=n+1
        print( n, ' ', line,end='')
print(f'總共{n}題')

留言

  1. 商業軟體期中考,沒有完成,一定要修改。https://ruoyiiiiii.blogspot.com/2026/11/excelformulas.html
    程式設計期中考,要使用WIDTH=100%要嵌入影片。https://ruoyiiiiii.blogspot.com/2026/11/htmlcssjavascriptpython.html
    趴在桌上睡覺,也能完成如此完美的作業,超級女神!我要跪拜妳!https://ruoyiiiiii.blogspot.com/2026/11/htmlcssjavascript.html
    https://ruoyiiiiii.blogspot.com/2026/10/pythoninputfind-1.html

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