All problems
#200
Valid Number
HardStrings
Solve the classic problem: "Valid Number". This is a hard Strings problem commonly asked in placement interviews at top tech companies. Read the examples carefully and think about edge cases before coding your solution.
Examples
Input: Example input goes here
Output: Expected output
Walk through the logic step by step.
Input: Second test case
Output: Another expected output
class Solution:
def validNumber(self):
# Write your solution here
pass
Output
Run your code to see output here.