# Python | Min/Max value in float string list

Sometimes, while working with a Python list, we can have a problem in which we need to find min/max value in the list. But sometimes, we don’t have a natural number but a floating-point number in string format. This problem can occur while working with data, both in web development and Data Science domain. Let’s discuss a way in which this problem can be solved.

Method : Using `min()/max() + float() `
This problem can be solved using the `min` or `max` function in which we first convert the strings into float and then pass this logic in functions in respective min/max function.

 `# Python3 code to demonstrate working of ` `# Min / Max value in float string list ` `# using min()/max() + float() + generator ` ` `  `# initialize lists ` `test_list ``=` `[``'4.5'``, ``'7.8'``, ``'9.8'``, ``'10.3'``] ` ` `  `# printing original list ` `print``(``"The original list is : "` `+` `str``(test_list)) ` ` `  `# Min / Max value in float string list ` `# using min()/max() + float() + generator ` `res_min ``=` `min``(``float``(sub) ``for` `sub ``in` `test_list) ` `res_max ``=` `max``(``float``(sub) ``for` `sub ``in` `test_list) ` ` `  `# printing result ` `print``(``"The min value of list : "` `+` `str``(res_min)) ` `print``(``"The max value of list : "` `+` `str``(res_max)) `

Output :

```The original list is : ['4.5', '7.8', '9.8', '10.3']
The min value of list : 4.5
The max value of list : 10.3
```
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