How to realize the function of generating CAPTCHA by Python

This article mainly introduces "how Python realizes the function of generating CAPTCHA". In the daily operation, I believe that many people have doubts about how to generate CAPTCHA in Python. The editor consulted all kinds of materials and sorted out simple and easy-to-use operation methods. I hope it will be helpful for you to answer the doubt of "how to achieve the function of generating CAPTCHA by Python". Next, please follow the editor to study!

Using Python library random String generates random verification codes for uppercase and lowercase letters and numbers import randomimport stringdef generate_code (bit_num):'': param bit_num: generate verification code digits: return: return the generated verification code''all_str = string.printable.split ('!') [0] code = '.join ([random.choice (all_str) for i in range (bit_num)]) return codeif _ name__ = =' _ main__' : code = generate_code (6) print (code)

The verification code with special symbols is generated as follows

Import randomimport stringdef generate_code (bit_num):'': param bit_num: generate verification code digits: return: return the generated verification code''all_str = string.printablecode =' .join ([random.choice (all_str) for i in range (bit_num)]) return codeif _ _ name__ = ='_ main__':code = generate_code (6) print (code) so far The study on "how to achieve the function of generating CAPTCHA in Python" is over. I hope to be able to solve your doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!