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Thank you for sharing this Dev2, nicely written article. you can add this: Slicing with positive and negative index Code: s = "Welcome to scaler" s1 = s[3 : -7] print("positive start index, negative end index:", s1) # above slice operation can also be written as s2 = s[-14 : 10] print("negative start index, positive end index:", s2) Output: positive start index, negative end index: come to negative start index, positive end index: come to Check this String Slicing in Python article on Scaler Topics.