Python: String Operation

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Strip /n

  • line.strip() - remove all types of whitespaces from both ends of the line.
  • line.rstrip("\n") remove only the trailing "\n".


Hitung banyak word

len(string.split())


Join Line

Pakai str.join:

with open('file.txt') as f:
    print " ".join(line.strip() for line in f)


Remove specific line

f = open("yourfile.txt","r")
lines = f.readlines()
f.close()

f = open("yourfile.txt","w")
for line in lines:
  if line!="nickname_to_delete"+"\n":
    f.write(line)
f.close()