msg = "HELLO"
print(msg[0])
print(msg[4])
print(msg[0:3])
print(msg[-5:-3])
str = "Hello"
print(str[2:4])
print('w' in str)
print('w' not in str)
print(str[:4])

print ('String str : %s' % str)
print ('String str : ' + str)
print ('String str : %s, %s' % (str, str))

Integer = 10
Float = 2.500
String = "Msg"
print("Test Msg : My value %d\n My value %f\n My value %s" \
    % (Integer, Float, String))

