Help me in solving PYTHCL107 problem

My issue

a = 0
while a>=7:
print(" a :",a)
a=a-1

My code

# Update the code below this line

a = 0
while a>=7:
    print(" a :",a)
    a=a-1

Learning course: ATT - Python
Problem Link: While Loop Practice Problem in ATT - Python - CodeChef