Python String isalpha()
# Valid alphabet
text1= "HelloWorld"
print(text1.isalpha())
# contains whitespace
text2 = "Hello World"
print(text2.isalpha())
# contains Special Character
text3 = "HelloWorld!!"
print(text3.isalpha())
# contains Alphanumeric
text3 = "Hello123"
print(text3.isalpha())Python String isalpha()
username = input("Choose a username:")
if username.isalnum() == True:
print("The entered username is ", username)
else:
print("Please enter a valid usernameSrin.")Copyright © 2021 Codeinu
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