print("Following are String operators in Python")

str1 = 'Hello'
str2 ='World!'
str3 = "welcome to  python world"
str4 = "102030405060708090"

print("String concatnation")
print('str1 + str2 = ', str1 + str2)

print("String repitation")
print('str1 * 3 =', str1 * 3)

print("Finding length of string")
print(len(str1))

print("string slicing")
print(str3[0:7],"string slicing form left")
print(str3[ :4],"slicing gives from oth index")
print(str3[ -4:-3],"string slicing from right")

print("zero based indexing")
print(str4[0::2])
print(str4[0::4])



