Python string与list互转

1. string与list互转

# list(string) 函数
str1 = '1abc'
lst1 = list(str1)
lst1
['1', 'a', 'b', 'c']

# '字符/字符串'.join(list)
str2 = ''.join(lst1)
str2
'1abc'

' | '.join(['aa', 'bb', 'cc'])
'aa | bb | cc'

2. string.split() 把string转为list 

str.split(str="", num=string.count(str))

str： 分隔符，默认为空字符，包括空格、换行符(\n)、制表符(\t)

num：分割次数，默认按分隔符分割完

str1 = "QAM16 | QAM32 | QAM64 | QAM128 | QAM256"
lst1 = str1.split(' | ')
lst1
['QAM16', 'QAM32', 'QAM64', 'QAM128', 'QAM256']
lst2 = str1.split(' | ', 3)  # 分割3次
lst2
['QAM16', 'QAM32', 'QAM64', 'QAM128 | QAM256']