import math 
 
def achaTamanho(numero):
    numero = abs(int(numero))
    if numero < 2:
        return 1
    count = 0
    valor = 1
    while valor <= numero:
        valor *= 10
        count += 1
    return count
 
def achaTamanho2(numero):
    numero = abs(int(numero))
    return (1 if numero == 0 else math.floor(math.log10(numero)) + 1)
 
print(achaTamanho(0))
print(achaTamanho(1))
print(achaTamanho(2))
print(achaTamanho(123))
print(achaTamanho(1000))
print(achaTamanho(-1))
print(achaTamanho(-23))
print(achaTamanho(45678))
print(achaTamanho(9999))
print ("")
print(achaTamanho2(0))
print(achaTamanho2(1))
print(achaTamanho2(2))
print(achaTamanho2(123))
print(achaTamanho2(1000))
print(achaTamanho2(-1))
print(achaTamanho2(-23))
print(achaTamanho2(45678))
print(achaTamanho2(9999))
 
#https://pt.stackoverflow.com/q/271949/101

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