part1:
exercise 1: "Hello World"
exercise 2: "various calculations"
exercise 3: "communicate with the computeur"
exercise 4: "name and first-name"
exercise 5: "from characters to numbers"
exercise 6: "lowercase and uppercase"
part 2:
exercise : "False or True"
exercise 2: "calculate my age"
exercise 3: "problem of shoes"
exercise 4: "python calculator"
exercise 5: "work with property"