Part D: Float Check String has a method s.isdigit that returns True if string s contains only digits and False otherwise, i.e. s is a string that represents an integer. Write a function named float _check that takes one parameter that is a string and returns True if the string represents a float and False otherwise For the purpose of this function we define a float to be a string of digits that has at most one decimal point. Note that under this definition an integer argument will return True. Remember "edge cases" such as "45." or "45": both should return True For example: float check('1234) Eloat check ( '123.45) returns True Eloat check ('123.45.67'returns False Eloat_check ('34e46) returns False float check"45 returms True Eloat check ('45 returns True loat check ('45) returns False returns True