Python Crash Course: Week 4 Quiz ex. 1

filenames = ["program.c", "stdio.hpp", "sample.hpp", "a.out", "math.hpp", "hpp.out"]
newfilenames = []
for filename in filenames:
  if filename.endswith("hpp"):
    newfilenames.append((filename, filename.replace("hpp", "h")))
  else:
    newfilenames.append((filename, filename))

print (newfilenames) # Should be [('program.c', 'program.c'), ('stdio.hpp', 'stdio.h'), ('sample.hpp', 'sample.h'), ('a.out', 'a.out'), ('math.hpp', 'math.h'), ('hpp.out', 'hpp.out')]