Write a Python program to check whether a given string contains a capital letter, a lower case letter, a number and a minimum length using lambda. Please make sure you receive the length of the string from the user. Please write a function and place all the lambda functions inside the function. (Please help me explain why so I can learn, thank you!

Sample Output:

Enter the minimum length of the string : 4

Enter the string Python3 is awesome

It is a valid string!