string validators hackerrank solution
if __name__ == '__main__':
s = input()
print(any(i.isalnum() for i in s))
print(any(i.isalpha() for i in s))
print(any(i.isdigit() for i in s))
print(any(i.islower() for i in s))
print(any(i.isupper() for i in s))
#The any() function returns True if any item in an iterable are true,
#otherwise it returns False.
#If the iterable object is empty, the any() function will return False.