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Search Results
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Replies |
Views |
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Thread: Ceaser cipher program
Post: RE: Ceaser cipher program
| Take a look at what your code does each step. First, you assign the value 1 to shift. Then, each iteration of the loop, you add the value of shift to the next letter. So the first letter has 1 adde... |
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TomToad |
Homework |
5 |
2,849 |
Sep-10-2020, 11:09 AM |
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Thread: how to encode and decode same value
Post: RE: how to encode and decode same value
| Might be better to first encode random data, then decode the result to see if you get the original data, instead of the other way around. base64 encrypted data will always be printable ASCII characte... |
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TomToad |
General Coding Help |
2 |
2,328 |
Sep-08-2020, 09:46 AM |
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Thread: Iterating over word vs. character
Post: RE: Iterating over word vs. character
| You can use the join() method to join all the strings into one. |
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TomToad |
General Coding Help |
6 |
2,565 |
Aug-11-2020, 12:23 PM |
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Thread: Whats the difference between these two?
Post: RE: Whats the difference between these two?
| Try calling each function with this code and note the difference in output. an you figure out why it is different?
for speed in range(50,100,20):
print(f'speed = {speed} : {caught_speeding(speed, Fa... |
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TomToad |
Homework |
4 |
3,394 |
Jul-08-2020, 11:10 AM |
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Thread: Why is the item not in list when it is
Post: RE: Why is the item not in list when it is
| You need to put your code between python tags when posting.
Also, when you pick the new card, you try to remove it from the deck twice. |
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TomToad |
General Coding Help |
2 |
2,026 |
Jul-08-2020, 10:50 AM |
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Thread: Help! Function doesn't run
Post: RE: Help! Function doesn't run
| The function actually does run, but it gets stuck in a nearly endless loop. That is because you reset primes to an empty list in each iteration. |
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TomToad |
General Coding Help |
5 |
2,474 |
Jul-07-2020, 11:24 AM |
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Thread: why in Python some time "n += 1" not like "n = n + 1" ?
Post: RE: why in Python some time "n += 1" not like "n =...
| In proc2(), a new object n is created that is local to proc2() and then lost when the function is exited. In order to keep the result, you need to return it.
list1 = [1, 2, 3]
list2 = [1, 2, 3]
def... |
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TomToad |
General Coding Help |
4 |
1,946 |
Jul-06-2020, 11:46 AM |
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Thread: Lunar Lander Text Game
Post: RE: Lunar Lander Text Game
| Nice. took 3 tries to not crash. Reminds me of this BASIC game from 1979. |
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TomToad |
Code sharing |
1 |
3,129 |
May-17-2020, 12:21 AM |
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Thread: Help with Code
Post: RE: Help with Code
| The part that calculates the area works just fine; however, there is an error in line 9 that keeps the code from running. Obviously, you modified the code for posting and removed the original error w... |
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TomToad |
General Coding Help |
1 |
1,831 |
May-16-2020, 05:47 PM |
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Thread: Irrational number
Post: RE: Irrational number
| There is no way to consistently determine if a number is irrational for a couple of reasons.
First, in mathematics, there is no single proof that can be used on all irrational numbers. Some number... |
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TomToad |
General Coding Help |
11 |
7,034 |
May-08-2020, 06:23 PM |
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Thread: Python logical operator AND
Post: RE: Python logical operator AND
| To get the result that you are expecting, you would use bitwise operators.
a = 6
b = 7
print(a & b) #& is bitwise and |
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TomToad |
General Coding Help |
4 |
2,518 |
May-07-2020, 01:52 PM |
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Thread: Coordinates from a text file
Post: RE: Coordinates from a text file
| text = '''******F****
*****W*****'''
print ("text =",text)
ls = text.splitlines()
print ("ls =",ls)
ls2 = [[letter for letter in line] for line in ls]
print ("ls2 =",ls2) |
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TomToad |
General Coding Help |
7 |
4,802 |
May-04-2020, 12:46 PM |
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Thread: Reason of the output
Post: RE: Reason of the output
| It is because you only iterate over the first value, then return when x = 6. If you want it to iterate over all the values, then you need to stay in the loop until a match is found.
def fun(a,k):
... |
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TomToad |
General Coding Help |
2 |
2,173 |
Apr-28-2020, 10:44 AM |
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Thread: Python Consecutive characters
Post: RE: Python Consecutive characters
| You can do this with regular expressions
import re
regex = re.compile(r'((.)\2*)')
matches = regex.finditer("aaaabbbccddddddddeee")
s = ""
for match in matches:
if len(match.group(0)) > 3:
... |
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TomToad |
General Coding Help |
4 |
4,963 |
Apr-22-2020, 11:03 AM |
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Thread: string indices must be integers
Post: RE: string indices must be integers
| data is the dictionary. When you do for element in data, element takes on the value of the key, first iteration, it is 'sentence', second iteration, it is 'tags' Get rid of the for loop and it will ... |
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TomToad |
General Coding Help |
6 |
3,710 |
Apr-22-2020, 10:13 AM |
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Thread: printing a ✔
Post: RE: printing a ✔
| It has to do with the font that the console is set to. When I use MS Gothic, I get the check mark. PowerShell has even more fonts that can display the check mark. I also found that if you used a '✓'... |
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TomToad |
General Coding Help |
12 |
10,293 |
Apr-17-2020, 01:16 PM |
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Thread: A Dictionary in a Dictionary Syntax
Post: RE: A Dictionary in a Dictionary Syntax
| Problem is that you have strings within a string. Python can't tell where one begins and the other one ends. you have three ways to fix this.
1. change the outer string from double quotes to singl... |
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TomToad |
General Coding Help |
3 |
2,145 |
Apr-16-2020, 07:16 AM |
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Thread: angle of rotation
Post: RE: angle of rotation
| add
if angle_radian < 0:
angle_radian += math.tauafter the angle_radian = ... in line 28 |
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TomToad |
Game Development |
4 |
2,990 |
Apr-15-2020, 06:56 PM |
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Thread: Error "Else expected"
Post: RE: Error "Else expected"
| Often times, where the error is detected isn't on the line where the error occurs. Look carefully at the previous lines and see if there is an error.
hint: count the parentheses |
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TomToad |
Game Development |
1 |
5,477 |
Apr-15-2020, 10:15 AM |
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Thread: NOI 2013 Q1
Post: RE: NOI 2013 Q1
| It looks like you are trying to go over all possible sea levels, figuring out which sea level creates the highest number of islands, then returning the number of islands at the maximum. Am I right?
... |
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TomToad |
Homework |
10 |
3,837 |
Apr-14-2020, 03:01 PM |
