Why can't I type "\ 05" or "\ 07" etc.?

Question

When I try to run:

print "\05"

Nothing is printed. If I change 5after \0to another number, something strange will happen. Why is this?

Answer 1

A backslash is an escape sequence for adding literals to a string by ordinal value. This means that you take the ASCII character code and literally paste it into your string. The reason you do this is because some characters are not allowed in the source code.

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print "\\05"

\05

Answer 2

ASCII 0x20 0x7E .

ASCII, . , 0x07, a.k.a, BEL , - .

Answer 3

This is not a valid (printed) ASCII character. Do you mean that you literally want to type "\ 05"? If so, just avoid the backslash with another backslash, for example:

print "\\05"

Answer 4

Try it. You need an extra "\" to exit.

 print "\\05"