# file_ops.py
def main():
filename = "testfile.txt"
# Writing to a file
with open(filename, 'w') as file:
file.write("Hello, Termux!")
# Reading from the file
with open(filename, 'r') as file:
content = file.read()
print(content)
# your code goes here
IyBmaWxlX29wcy5weQpkZWYgbWFpbigpOgogICAgZmlsZW5hbWUgPSAidGVzdGZpbGUudHh0IgoKICAgICMgV3JpdGluZyB0byBhIGZpbGUKICAgIHdpdGggb3BlbihmaWxlbmFtZSwgJ3cnKSBhcyBmaWxlOgogICAgICAgIGZpbGUud3JpdGUoIkhlbGxvLCBUZXJtdXghIikKCiAgICAjIFJlYWRpbmcgZnJvbSB0aGUgZmlsZQogICAgd2l0aCBvcGVuKGZpbGVuYW1lLCAncicpIGFzIGZpbGU6CiAgICAgICAgY29udGVudCA9IGZpbGUucmVhZCgpCiAgICAgICAgcHJpbnQoY29udGVudCkKCiMgeW91ciBjb2RlIGdvZXMgaGVyZQ==