【Python】字符串操作

Python可迭代对象遍历

set和string都是可以用 for i in obj:  作遍历的

s = 'alexW  Usir%@'
for i in s:  # s是可迭代对象
    if i is not 0: 
        print(i)

 字符串.split() ：把字符串str撕裂

str = 'as@addss@@f'
modified = str.split('@')
print(modified)
print(len(modified[1]))