Print('Encrypted Message: ' + translated) Added insertion of fixed characters to make the display look like rubbish #Reverse Cypher.Line #10 outputs the final value of translated, which is the actual reverse of the variable message. And the reversed message is stored in translated. This results to the string inside the message to be returned in reverse using the while loop. Meaning, the next value of i when the loop returns to top is the second to the last index, then third to the last, and so on. In Line #8, the value of i is deducted by one. When the loop returns to top, the next value obtained will be appended to translated. Since the value of i is the last index number of the message, the very first character that will be returned is the last character of the original message. It means that translated will be added with the value of the current translated’s value plus the value of message. In Line #7, translated = translated + message. The block will only end if the following line will have lesser (for inner block) or no indentation (for outermost block). If the following line is indented with 8 spaces, then it’s a block of code within a block of code. Following line indented by at least four spaces is part of the block. A block begins when a line is indented by four spaces. Line #7 and #8 – These contains the block of code for the while loop.īlock – is one or more line of codes grouped together with the same minimum amount of indentation. In Line #6, it states that while i is greater than or equal to 0, execute the block of code. These are operators used in an expression to evaluate a certain value, and give as a True or a False Boolean value. They do not need to have a single or double quotes when stored in a variable In simple language, while the condition is true, execute.The condition is an expression used in a while statement, which is the basis for the block of code to continue to run, until the condition is no longer met.A while loop is basically consisted of 4 parts: (1) the while keyword (2) the condition (3) colon (4) a block of code. So for example, if a string’s length is 5, the last index number is 4 (,…,). Line #5 – len(message) gets the exact number of characters of the message, however it needs to be subtracted with 1 because the indexes starts with zero. This variable will hold the encrypted message. Line #3 – creates a variable named ‘translated’ with an empty value. Line #2 – saves the message into the variable ‘message’. message='Puchu can keep a secret if you give him fish.'

Simple email program