s17.py

#whitespace
s1=" "
print (len(s1))
print (s1.isspace())#Output:True

s2="hello world"
print (s2.isspace())#Output:False

#newline character
s3="\n"
print (s3.isspace())#Output:True

#horizontal tab
s4="\t"
print (s4.isspace())#Output:True

#vertical tab
s5="\v"
print (s5.isspace())#Output:True

#Carriage return
s6="\r"
print (s6.isspace())#Output:True

#feed
s7="\f"
print (s7.isspace())#Output:True

#empty string containing no whitespace
s8=''
print (s8.isspace())#Output:False