#encoding=utf-8
"""判斷 乙個檔案中有幾行含英文單詞
"""def jedgeword():
row=0
with open("c:\\users\\huhuili\\desktop\\python\\a.txt","r",encoding="utf8") as fp:
contents=fp.readlines()
for line in contents:
print(line,end="")
for i in line:
if i.isalpha():
#print(i)
row+=1
break
return row
print(jedgeword())
"""以r+方式,把一句話追加到檔案末尾,然後讀出所有檔案
"""def addcontent():
sentence="i am girl"
with open("c:\\users\\huhuili\\desktop\\python\\a.txt","r+",encoding="utf8") as fp:
fp.seek(0,2)#指標移動到檔案末尾
fp.write(sentence)
fp.seek(0,0)
print(fp.readlines())
print(addcontent())
"""把乙個檔案內容中的girl替換成queen
"""def replaceword():
word="queen"
with open("e:\\murphy\\a.txt","r+",encoding="utf8") as fp:
contents=fp.read()
contents=contents.replace("girl","queen")
fp.seek(0,0)
print(contents)
print(replaceword())
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