python - How can I check that a text file has at least 1 character -

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i have text file how can check in python text file has @ least 1 number or alphabetic character , not white spaces.

here did. read file putting data string data. used data.strip() remove leading , trailing whitespace. checked see if there left data.strip(). if there have characters in file, if not file has whitespace or empty.

with open("filename.txt", "r") file:     data = file.read()  if data.strip():     print("empty") else:     print("full")

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