Update and rename exercise-15.py to 54. exercise-15.py

Author: Simrank10

exercise-15.py 54. exercise-15.pyexercise-15.py renamed to 54. exercise-15.py

@@ -7,4 +7,4 @@ def can(height, width, coverage = 7):
 h = int(input("Enter the height of the wall in mts : "))
 w = int(input("Enter width of the wall in mts : "))
 
-can(height = h, width = w)
+can(height = h, width = w)