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POMy first program
 

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    <p>I've been doing a lot lessons on Code Academy, but I get frustrated since some of the compilers reject answers that return the same results. So, I decided to breakaway for a bit and create my own program with the tools that I have learned which is a calculator. It doesn't run correctly. When it is at the menu the if/elif/else statements do not work. The program seems to ignore the input . So, here is my first program code...</p> <pre><code>import math user_choice=("&gt;&gt;") def add(): print "What two numbers would you like to add?" a= int(raw_input(user_choice)) b= int(raw_input(user_choice)) c= a + b print c def sub(): print "What two numbers would you like to subtract?" a=int(raw_input(user_choice)) b=int(raw_input(user_choice)) c=a-b print c def mult(): print "What two numbers would you like to multiply?" a=int(raw_input(user_choice)) b=int(raw_input(user_choice)) c= a*b print c def div(): print "What two numbers would you like to divide?" a=int(raw_input(user_choice)) b=int(raw_input(user_choice)) c=a/b print c def exp(): print "What number would you like to power?" a=int(raw_input(user_choice)) print "By what number would you like it to be powered to?" b=int(raw_input(user_choice)) c= math.pow(a,b) print c def square(): print "What number would you like to square root?" a=int(raw_input(user_choice)) b=math.sqrt(a) print b print "+---------------------------+" print "| Welcome to my basic |" print "| calculator! |" print "| |" print "|What would you like to do? |" print "| |" print "|1: Addition |" print "|2: Subtraction |" print "|3: Multiplication |" print "|4: Division |" print "|5: Exponents |" print "|6: Square Root |" print "|7: Quit |" print "| |" print "+---------------------------+" if int(raw_input(user_choice)) == "1": add() elif int(raw_input(user_choice)) == "2": sub() elif int(raw_input(user_choice)) == "3": mult() elif int(raw_input(user_choice)) == "4": div() elif int(raw_input(user_choice)) == "5": exp() elif int(raw_input(user_choice)) == "6": square() elif int(raw_input(user_choice)) == "7": exit() else: print "Sorry, I didn't understand your entry.Try entering a value 1-7" </code></pre> <p>there is no "if error" code yet, but I am just adamant about getting it to work. All of the functions work. Just can't get the options to work. </p>
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    1. COYou should request the user input _before_ you check it... you're requesting the user input every time a condition is checked in your main code. Also, strings != ints.
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    2. CO`if int(raw_input(user_choice)) == "1":` as you're converting the input to `int`, you shall compare it directly with `int`
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    3. COOnce you fix the problem pointed out below by Paul, you may want to send this code to codereview.stackexchange.com and get some advice on how you can minimize the amount of conditionals you have and allow more features
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