task1a.py

with open('task1a.txt') as f:
    lines = f.read().splitlines()

count = 0
prev = None
for line in lines:
    if prev is not None and int(line) > int(prev):
        print("++ {}:{}".format(prev,line))
        count = count + 1
    else:
        print("   {}:{}".format(prev,line))
    prev = line


print(count)