10/06/19 15:24:49
>>3
使用言語：Io
P1 := method(
File clone open("test.txt") do(
write("Computer1Programing2Communication3Electro4\n")
close
)
)
P2 := method(
File clone open("sample.txt") do(
f := File clone open("test.txt")
write(f readLine reverse,"\n")
f close
close
)
)
P3 := method(
File clone open("sample.txt") do(
foreach(v,if(v>=65 and v<=90,v asCharacter print))
""println
close
)
)
P1;P2;P3