solutin + bonus

integer_stairs.py

@@ -0,0 +1,10 @@
+def int_number(x:int):
+    ''' this function takes an integer and draw stairs shape with it numbers '''
+    while x != 0:
+        for i in range(x,0,-1):
+            print(i, end=" ")
+        print("")
+        x -= 1
+
+int_number(5)
+print(int_number.__doc__)

return_of_the_stairs.py

@@ -0,0 +1,13 @@
+def int_number(x:int):
+    ''' this function takes an integer and draw stairs shape with it numbers '''
+    string:str = ""
+    while x != 0:
+        for i in range(x,0,-1):
+           string += str(i) + " "
+        string += "\n"
+        x -= 1
+    return string
+
+variable = int_number(5)
+print(variable)
+print(int_number.__doc__)