Convert a for loop to a while loop
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IntroductionIn this program, you will be learn how to use while and for loop control structures in Python. while and for loops syntax in Python:while (expression): Statement(s) for iterating_var in sequence: Statements(s) The program below shows how to print out alphabets in a for loop |
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for loop
The program below shows how to print out alphabets in a for loop:
#################################### #Prints out all lower case alphabets letter = 'a' for i in range (0,26): print letter letter = chr(ord(letter) + 1)
while loop example
The program below illustrates how to use while loop
############################################ # Ensures that the user enters either of the # characters (a, b or c) ## Gets input from th user message = raw_input("Please enter a, b, or c: ") while(message != "a" and message != "b" and message != "c"): message = raw_input("Please enter a, b, or c:") print "You entered: " + message