python去除所有空格 python中如何去除空格

去除空格

1 strip(),去除字符串开头或者结尾的空格

a = "   ab cd ef     "
print(a.strip())
>>>ab cd ef

2 lstrip(),去除字符串头部的空格

a = "   ab cd ef     "
print(a.lstrip())
>>>ab cd ef

3 rstrip(),去除字符串尾部空格

a = "   ab cd ef     "
print(a.rstrip())
>>>   ab cd ef

4 replace,去除全部空格

a = "   ab cd ef     "
print(a.replace(" ", ""))
>>>abcdef

5 join()+split()方法，去除全部空格

a = "   ab cd ef     "
b = a.split()    # b为['va', 'bc', 'de']
c = "".join(b)
>>>abcdef