Merge branch 'master' into 'day1_task1'

# Conflicts:
#   .gitignore

2 files changed, 21 insertions, 0 deletions

diff --git a/day1/task5/task5.py b/day1/task5/task5.py
new file mode 100644
index 0000000..2869247
--- /dev/null
+++ b/day1/task5/task5.py
@@ -0,0 +1,20 @@
+import os
+
+read_path = os.path.join(os.getcwd(), 'task5_data.txt')
+write_path = os.path.join(os.getcwd(), 'task5_data_new.txt')
+
+if not os.access(read_path, os.R_OK):
+    print('Файл "{}" не доступен для чтения'.format(read_path))
+elif not os.access(write_path, os.W_OK):
+    print('Файл "{}" не доступен для записи'.format(write_path))
+
+else:
+    with open(read_path) as f:
+        print(f.read())
+
+    with open('task5_data.txt', 'rb') as input_byte, open(write_path, 'wb') as out:
+        char = input_byte.read(1)
+        while char:
+            number = int(char.hex(), 16)
+            out.write(bytes([number ^ 2]))
+            char = input_byte.read(1)
diff --git a/day1/task5/task5_data.txt b/day1/task5/task5_data.txt
new file mode 100644
index 0000000..2dfc0ba
--- /dev/null
+++ b/day1/task5/task5_data.txt
@@ -0,0 +1 @@
+12йцas
\ No newline at end of file