LeetCode OJ 系列之65 Valid Number --Python

Problem:

Validate if a given string is numeric.

Some examples:

"0"

 => 

true

" 0.1 "

 => 

true

"abc"

 => 

false

"1 a"

 => 

false

"2e10"

 => 

true

Note: It is intended for the problem statement to be ambiguous. You should gather all requirements up front before implementing one.

Update (2015-02-10):

The signature of the 

C++

 function had been updated. If you still see your function signature
accepts a 

const char *

 argument, please click the reload button  to
reset your code definition.

Answer:
class Solution(object):
def isNumber(self, s):
"""
:type s: str
:rtype: bool
"""
try:
num = float(s)
except:
return False
return True