python startswith() 函数
startswith()
作用:判断字符串是否以指定字符或子字符串开头
>>> s = "my name is ming" >>> >>> s.startswith('m') True >>> s.startswith('b') False >>>
常用环境:用于if判断
>>> if s.startswith('hel'): print ("you are right") else: print ("you are wrang") # 执行结果 you are right