CODEWITHSUNDEEP
pythonpython-3.x
Discovery
Discovery

Reputation: 23

Loopin' multiplication in Python?

I'm making this program that asks you for a number then prints out the first 1000 terms of that number's times table. I'm using Python 3x The output should be:

http://snag.gy/KxM37.jpg

But instead it gives me this: http://snag.gy/SQTAe.jpg

This is the code:

multiplication = 0
firstnumber = int(input("Enter a number: "))
number = firstnumber
for j in range(0, 1001):
    for i in range(0, 1001):
        multiplication = multiplication+1
    number = number*multiplication
    print(str(multiplication) + " times " + str(firstnumber) + " is " + str(number))

Thanks

Upvotes: 1

Views: 1438

Answers (3)

shad0w_wa1k3r
shad0w_wa1k3r

Reputation: 13372

Might not be the best code, but better than what you were trying.

given_number = int(input("Enter a number: "))
for multiplier in range(1,1001):
    print("{0:4} times {1} is {2}".format(multiplier, given_number, multiplier*given_number))

Upvotes: 0

inspectorG4dget
inspectorG4dget

Reputation: 113955

Your problem is that you update number and keep multiplying it. You foresaw this problem and created a variable called firstnumber to tackle it, but you forgot to use it. Here’s what you meant to do:

>>> multiplication = 0
>>> firstnumber = int(input("Enter a number: "))
Enter a number: 17
>>> number = firstnumber
>>> number = firstnumber
>>> for j in range(0, 1001):
...     for i in range(0, 1001):
...         multiplication = multiplication+1
...         number = firstnumber * multiplication
...         print(str(multiplication) + " times " + str(firstnumber) + " is " + str(number))
... 
1 times 17 is 17
2 times 17 is 34
3 times 17 is 51
4 times 17 is 68
5 times 17 is 85
6 times 17 is 102
7 times 17 is 119
8 times 17 is 136
9 times 17 is 153
10 times 17 is 170
11 times 17 is 187
12 times 17 is 204
13 times 17 is 221
14 times 17 is 238
15 times 17 is 255
16 times 17 is 272

You are likely, however, much better off, to do something like this:

number = int(input("Enter a number: "))
mult = int(input("How many multiples: "))
for i in range(mult+1):
    print("%d times %d is %d" %(number, i, number*i))

Upvotes: 1

dm03514
dm03514

Reputation: 55962

I find it easier to think through the problem before trying to start coding.

You have the first step: Get a number from the user

I think the second step consists of going from 0 To 1000 and multiplying that number. In psuedo-code:

users_number = some_number
for num from 0 - 1000:
  print(num * usernumber)

Upvotes: 2

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