MicroPython stuff

code/MicroPython/read_write_file.py

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+import os
+
+print('Listing filesystem...')
+print(os.listdir(), '\n')
+
+print('Write data...')
+with open('data.txt', 'w') as f:
+    count = f.write('ololo\n')
+    print('Write', count, 'bytes')
+
+print('Read data...')
+with open('data.txt', 'r') as f:
+    print('Data:', f.read())