[Solved] while loop and counting down from 20

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This would do it

x = 20

while x > 0:
    print(x)
    x -= 1

If you need to include an if statement in the loop, you could do this instead. 

x = 20

while True:
    print(x)
    x -= 1
    if x == 0:
      break

If you wanted to do this with a for loop, it would look like this:

for x in range(1, 20):
    print(x)

If you wanted to do it all in one line, you could do this. Just note that it doesn’t use a while loop or an if statement. 

print("\n".join([str(x) for x in range(20, 0, -1)]))

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solved while loop and counting down from 20