# Author: My Courses

#### Solution Exercise 53 : python program which transform given a string into lowercase

Exercise 53 By using the (Exercise 51), create a python algorithm as a function that takes as input a string s and which returns the same string in lowercase without…

#### Solution Exercise 52 : python algorithm to transform given a string into uppercase

Exercise 52 Using (Exercise 51), write a python program as a function which takes a string s as input and returns the same string in uppercase without using the upper()…

#### Solution Exercise 51: Python program to generate lists of all characters from its ascii code

Exercise 51 Using ascii code, write a Python program to generate lists of uppercase and lowercase letters: [A, B, C, ..., Z] , [a, b, c,. .., z]

#### Solution Exercise 50: python algorithm that extract all numerical character from given string

Exercise50 Write a python algorithm as a function which takes a string 's' as input and returns the list of numeric characters contained in the string s. Example if s…

#### Solution Exrcise 49: algorithm python to count the number of times a character appears in string

Exercise 49 Write a Python algorithm as a function that takes a string and a character as inputs and counts the number of times the character appears in the string…

#### Solution Exercise 48: python program that concatenate two string in alternative way

Exercise 48 Write a Python algorithm as a function which takes as parameters a pair of strings (s1, s2) and which returns the string s obtained by concatenating in an…

#### Solution Exercise 47: python algorithm that determines the list of all the word with at least on uppercase

Exercise 47 Write a python algorithm that determines the list of all the words which contains at least one uppercase character in a given text T. Example if T =…