len字符串的长度

 #!/usr/bin/env python
 def fun4(x) :
     if len(x) > 2 :

         return print(x[0],x[1])
     else:
         return 0

 d = ('sa','a','safds','aaasda')
 fun4(d)

 def fun2(x) :
     if len(x) > 5 :
         return True
     else :
         return False

 s = ["w","w"]
 rr = fun2(s)
 print(rr)