Exercise3.2
1234567891011
input = -1
if input == 0:
print(input, "This is zero number")
if input > 0:
print(input, "This is positive number")
else:
print(input, "This is negative number")
#Nếu số < 0: this is negative number
#Nếu số = 0: this is zero
#Nếu số > 0: this is positive number
Python
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