python输出内容为拼接,或字符串中带有空格,想打印时候去掉所有空格
i = 1
while i < 4:print("\"",i,"\"",end="")i += 1
# 输出内容为" 1 "," 2 "," 3 "," 4 ",
# 数字的前后都带有空格,可以使用 sep=""print("\"",i,"\"",sep="",end="")
# 输出的内容为"1","2","3","4",
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