s15.py

#string contains numbers, so returns True
s1="123"
print (s1.isdecimal())#Output:True
print (s1.isdigit())#Output:True
print (s1.isnumeric())#Output:True


#Contains space,so returns False.
s2="12 34"
print (s2.isdecimal())#Output:False
print (s2.isdigit())#Output:False
print (s2.isnumeric())#Output:False


#empty string - so returns false
s3=''
print (s3.isdecimal())#Output:False
print (s3.isdigit())#Output:False
print (s3.isnumeric())#Output:False


s4="12.5"
print (s4.isdecimal())#Output:False
print (s4.isdigit())#Output:False
print(s4.isnumeric())#Output:False


#string containing superscripts.
s5="12²"
print (s5.isdecimal())#Output:False
print (s5.isdigit())#Output:True
print (s5.isnumeric())#Output:True


#string containing subscripts
s6="12₂"
print (s6.isdecimal())#Output:False
print (s6.isdigit())#Output:True
print (s6.isnumeric())#Output:True


#string containing fractions
s7="123½"
print (s7.isdecimal())#Ouput:False
print (s7.isdigit())#Output:False
print (s7.isnumeric())#Output:True


#string containinh roman numerals
s8="VII"
print (s7.isdecimal())#Ouput:False
print (s7.isdigit())#Output:False
print (s7.isnumeric())#Output:True