1 print('Return True if the string is a valid Python identifier'.title()) # 输出 # Return True If The String Is A Valid Python Identifier 1. 2. 3. 源码: 1 def title(self, *args, **kwargs): # real signature unknown 2 """ 3 Return a version of the string where each word is...
print(s.isdigit()) # s = '½'# fraction is not a digits ='\u00BD' print(s.isdigit()) Run Code Output True True False Also Read: Python String isdecimal() Python String isalpha() Python String isalnum()
Theisdigit() methodis a built-in function in Python that checks if all the characters in a given string are digits. It returnsTrueif all characters in the string are digits, andFalseotherwise. It is essential to note that this method does not recognize numbers in a floating-point format or...