Using the bitwise AND operation, the result of 1 AND 0 is 0.
10100100 XOR 11010101 = 01110001.
A common way to detect whether a value is even or odd is to use the AND 1 operation to test if the least significant bit is set.
Combining multiple flags into a single variable can be accomplished via the OR operation.
Answer:
l = []
while True:
no = int(input())
if no>0:
l.append(no)
else:
break
print(1)
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Answer:
backup() {
read dirname;
if [[ whereis . /`$dirname` 2> sterr.exe]]
then
mkdir $dirname
for f in . / *.cpp
do
cp f "path_to_dirname"
echo "file backup complete"
}
backup( )
Explanation:
The bash script above is used to backup C++ source files in a directory to a backup directory which is created if it does not exist, and copy's each .cpp file to backup, then sends a message to declare its completion.
"AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"
