[英]how to strip newline character from JSON data structure in Python3
[英]newline character problems with Python (strip)
如果我写
f = open("file.csv","r")
if f.mode == "r":
cols = []
snames = []
svals = []
rows = f.readlines()
for x in rows:
x.strip("\n")
cols = x.split(",")
snames.append(cols[0])
svals.append(cols[1])
然后 svals 仍然有我不想要的 \\n 个字符,例如 '20.43256639\\n'
但是如果我这样做,那么 svals 会显示正确的值而没有 \\n
for x in rows:
cols = x.split(",")
snames.append(cols[0])
svals.append(cols[1].strip("\n"))
svals 确实具有正确的值,例如“20.43256639”
x.strip("\n")
不会就地修改x
(因为字符串无论如何都是不可变的)。 尝试
x = x.strip("\n")
相反,或者更简洁地说:
with open("file.csv","r") as f:
snames = []
svals = []
for x in f:
sname, sval = x.strip().split(",", 1)
snames.append(sname)
svals.append(sval)
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.