# Functions to manipulate global variable count

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# Student should enter function on the next lines.
# Reset global count to zero.
# Increment global count.
# Decrement global count.
# Print global count.
def reset():
    global count
    count = 0
    return count

def increment():
    global count
    count = count + 1
    return count

def print_count():
    global count
    print count
    return count

def decrement():
    global count
    count = count - 1
    return count



    
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# Test - don't change

# note that the GLOBAL count is defined inside a function
reset()		
increment()
print_count()
increment()
print_count()
reset()
decrement()
decrement()
print_count()

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# Output
#1
#2
#-2