Problem $1.($Reverse$)$ Write a program called reverse py that accepts strings from standard input, and writes them in reverse order to standard output.Problem $2.($Euclidean Distance$)$ Write a program called distance.py that accepts n $($int$)$ as command$-$line argument, two n$-$dimensional lists x and y of floats from standard input, and writes to standard output the Euclidean distance between two vectors represented by x and y$.$ The Euclidean distance is calculated as the square root of the sums of the squares of the differences between the corresponding entries.Problem $3.($Birthday Problem$)$ Suppose that people enter an empty room until a pair of people share a birthday. On average, how many people will have to enter before there is a match? Write a program called birthday.py that accepts trials $($int$)$ as command$-$line argument, runs trials experiments to estimate this quantity $-$ each experiment involves sampling individuals until a pair of them share a birthday, and writes the value to standard output.