Algorithm
Problem Name: Python -
In this HackerRank Functions in PYTHON problem solution,
Check Tutorial tab to know how to to solve.
You are given a string N.
Your task is to verify that N is a floating point number.
In this task, a valid float number must satisfy all of the following requirements:
Number can start with +, - or . symbol.
For example:
✔+4.50
✔-1.0
✔.5
✔-.7
✔+.4
✖ -+4.5
Number must contain at least 1
decimal value.
For example:
✖ 12.
✔12.0
Number must have exactly one . symbol.
Number must not give any exceptions when converted using float(N).
Input Format
The first line contains an integer T the number of test cases.
The next T line(s) contains a string N.
Constraints
- 0 < T <10
Output Format
Output True or False for each test case.
Sample Input 0
4
4.0O0
-1.00
+4.54
SomeRandomStuff
Sample Output 0
False
True
True
False
Code Examples
#1 Code Example with Python Programming
Code -
Python Programming
import re
flaot_regex = re.compile("[+-]?[0-9]*\.[0-9]+")
def float_check(s):
if flaot_regex.fullmatch(s):
return True
else:
return False
i = int(input())
for i in range(i):
print(float_check(input()))