🔒 I´m having difficulty with a "while" problem

[hushed isle]

basically I need to create a code that informs if a given number has two identical consecutive numbers but it doesn´t work properly if the last digit is a 0 due to the fact that the variable "arg" starts of as a 0. Does anybody know how can I change this?

[dusk root]

@hushed isle

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[hushed isle]

here is a transcript of the code ant=0
cont=0
n=int(input("type a number: "))
while n>0:
dig=n%10
n = n//10
if ant == dig:
cont+=1
ant=dig
if cont >= 1:
print("there is repetition")
else:
print("there isn´t")

[proud oar]

You could not initialize ant as 0, but as something else, like None

[hushed isle]

I didn´t know you could start something as "none" thanks so much

[dusk root]

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