# String operator

a = "Hello"
b = "sem"

# concatenation

print("concatenation of a = ",a," and b = ",b," is : ",a+b)

#repetition

print("repetition of a = ",a," is : ",a*5)

#slice

print("slice of a = ",a," is : ",a[1])

#range slice

print("range slice of a = ",a," is : ",a[1:4])




