some fixes into exercises

Author: alesanchezr

exercises/05-hello_harry/app.py

@@ -6,4 +6,4 @@ def hello_name(name):
 
 
 #Invoke the function with your name as the function's argument. 
-print(hello_name())
+print(hello_name("Bob"))

exercises/06-previous_and_next/app.py

@@ -4,4 +4,4 @@ def previous_next(num):
 
 
 #Invoke the function with any interger at its argument. 
-print(previous_next())
+print(previous_next(179))

exercises/07-Apple_sharing/app.py

@@ -9,4 +9,4 @@ def apple_sharing(n,k):
 
 
 #Print the two answer per the example output.
-print(apple_sharing())
+print(apple_sharing(6,50))

exercises/07.1-square-value/solution.py renamed to exercises/07.1-square-value/solution.hide.py

@@ -1,5 +1,5 @@
 def square(num):
     return num ** 2
 
-print square(2)
-print square(3)
+print(square(2))
+print(square(3))

exercises/08-hours_and_minutes/app.py

@@ -7,4 +7,4 @@ def hours_minutes(secs):
 
 
 #Invoke the funtion and pass any interger as its argument.
-print(hours_minutes())
+print(hours_minutes(3900))