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+## Sending %22r%22 means open in read mode, which is the default. %0A## Sending %22w%22 means write mode, for rewriting the contents of a file.%0A## Sending %22a%22 means append mode, for adding new content to the end of the file.%0A## 'b' stands for non-binary file type%0A%0A# write mode%0Aopen(%22filename.txt%22, %22w%22)%0A%0A# read mode%0Aopen(%22filename.txt%22, %22r%22)%0Aopen(%22filename.txt%22)%0A%0A# binary write mode%0Aopen(%22filename.txt%22, %22wb%22)%0A

Create open_file.py