my_list = ['A','B','C','D']
x = len(my_list)

i = 0
while i< len(my_list):
    print("positive index : ",i,"negative index: ",i-x)
    i = i+1
a594419b013456202f64ddeef641198e21138b67
<mask token>

<mask token>
while i < len(my_list):
    print('positive index : ', i, 'negative index: ', i - x)
    i = i + 1

my_list = ['A', 'B', 'C', 'D']
x = len(my_list)
i = 0
while i < len(my_list):
    print('positive index : ', i, 'negative index: ', i - x)
    i = i + 1

my_list = ['A','B','C','D']
x = len(my_list)

i = 0
while i< len(my_list):
    print("positive index : ",i,"negative index: ",i-x)
    i = i+1