How do you interchange the first and last letters of a word in Python?

Python Program to swap the First and the Last Character of a…

1. We initialize a variable start, which stores the first character of the string (string[0])
2. We initialize another variable end that stores the last character (string[-1])

How do you program an addition in Python?

Python Program to Add Two Numbers

1. a = int(input(“enter first number: “))
2. b = int(input(“enter second number: “))
3. sum = a + b.
4. print(“sum:”, sum)

How do you add numbers in a while loop in Python?

Follow these steps:

1. Decide the value of n .
2. Run a while loop till n is greater than zero.
3. In each iteration, add the current value of n to the sum variable and decrement n by 1.
4. Calculates the average by dividing the sum by n (total numbers).

How do you exchange letters in python?

1: Python swap first and last character of string

1. Define a function, which is used to swap characters of given string.
2. Allow user to input a string.
3. Call swap() with [ass the string as an argument to a function.
4. Print result.

How do you switch the first and last character of a string?

1. Get the string to swap first and last character.
2. Check if the string has only one character then return the string.
3. Convert the given string into a character array.
4. Swap first and the last character of the string using a temp variable.
5. Now, print the modified string.

How do you increment in Python?

In python, if you want to increment a variable we can use “+=” or we can simply reassign it “x=x+1” to increment a variable value by 1. After writing the above code (python increment operators), Ones you will print “x” then the output will appear as a “ 21 ”. Here, the value of “x” is incremented by “1”.

How do you sum a while loop?

Sum of integers up to n using a while loop

1. s = 0.
2. n = 10.
3. while s < ((n + 1) * n / 2)
4. N = N + 1.
5. s = s + N.
6. end.
7. disp(s)