IODemo

IODemo.py

__author__ = 'zamr666'
total = 0
asum = 0

while(True):
    line=input("Enter whole number or enter to finish: \n")
    if line:
        try:

            asum+=int(line)
            total+=1
            line= None
        except ValueError as err:
            print(err)
            continue
    else:
        break
print("Total numbers: ",total," Sum: ",asum," Avg: ",asum/total)