filenames = ["program.c", "stdio.hpp", "sample.hpp", "a.out", "math.hpp", "hpp.out"]我想用 .h 替換 .hpp。y=[]for x in filenames:    if '.hpp' in x:        x=x.replace('hpp','h')        y.append(x)    else:        y.append(x)print(y)有沒有更簡(jiǎn)單的方法來做到這一點(diǎn)？