[英]Appending a string in front of every item in the file using Python
以下是我要實現的目標:
my_list = ['foo', 'fob', 'faz', 'funk']
string = 'bar'
my_new_list = [ string + x for x in my_list]
print my_new_list
問題是我所有的單詞都在一個文本文件中。 例:
富
離岸價
法茲
放克
如何讀取文本文件並編寫循環以在每個單詞前面附加單詞“ bar”並生成一個新文件?
像那樣?
with open("myfile.txt") as f, open("output.txt", "w") as out:
for line in f:
out.write("bar" + line)
您可以使用readlines()
獲取文件中的行列表,還可以使用writelines()
將行寫入文件:
with open('/path/to/infile') as infile:
lines = infile.readlines()
string = 'bar'
my_new_list = [string + x for x in lines]
with open('/path/to/outfile', 'w') as outfile:
outfile.writelines(my_new_list)
file_object = open('example.txt','r')
output = open('data','w+')
string = 'bar'
for line in file_object:
output.write(string+line)
file_object.close()
output.close()
這可能會幫助您。
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