Count Positive and Negative Numbers and Compute the Average of the Numbers

# -*- coding: utf-8 -*-
"""
Larry McQuaid
MET CS 521
9/22/18
Homework 3, Question 5.1
Count positive and negative numbers and compute the average of numbers
"""

positive_value = 0
negative_value = 0
total = 0
average = 0
count = 0

try:
    user_input = float(input('Enter an integer, the input ends if it is 0: '))
    
    if user_input == 0:
        print('You didn\'t enter any number')
    
    else:        
        if user_input > 0:
            positive_value += 1
        
        if user_input < 0:
            negative_value += 1
        
        total += user_input
        
        count += 1
        
        average = total/count
        
        while user_input != 0:
            user_input = float(input('Enter an integer, the input ends if it \
is 0: '))
            
            if user_input == 0:
                    print('''
The number of positives is {}
The number of negatives is {}
The total is {}
The average is {:.2f}'''
.format(positive_value, negative_value, total, average))
        
            if user_input > 0:
                positive_value += 1
            
            if user_input < 0:
                negative_value += 1
            
            total += user_input
            
            count += 1
            
            average = total/(count)
        
except:
    print('Please enter a valid number.')