1
该代码旨在将文件作为输入,将所有字母更改为小写,并删除任何非字母字符。然后它应该打印文件中每个单词的重复。读取文件时出现语法错误
#!/usr/bin/python
import sys
def main(argv):
try:
tf = open(sys.argv[1],"r")
except IOError:
print("The file ",tf," was not found")
sys.exit()
data = tf.read()
data.lower()
data.replace("-"," ")
validLetters = " abcdefghijklmnopqrstuvwxyz"
cleanData = ''.join([i for i in data if i in validLetters])
frequency = {}
words = []
words = cleanData.split()
for x in words:
if frequency.has_key(x):
frequency[x] = frequency[x] + 1
else:
frequency[x]
print sorted(frequency.values())
tf.close()
这是我得到的命令行:
$ python -m py_compile q1_word_count.py drake.txt
File "drake.txt", line 1
I Was A Teenage Hacker
^
SyntaxError: invalid syntax
“我是一个十几岁的黑客”是文本文件的第一行..
就像这样'python q1_word_count.py drake.txt'运行它,这是一个非常小的速度增益在启动时,没有执行时,这是字节码编译,而不是动态编译。 –