Python iteration wont change

Question

I want to "reset" my for loop so i thought i have to set my iterator i on 0, but it will continue with 1 etc. How do "reset" my for loop? I tried to set i on 0 but in the next step my for loop just continues with 1 and so on. g is just a list with 2 items and S is a String, ignore all that. Its just this iteration that wont work

for i in range(0, len(g)):
    print("gi = " + g[i])
    print(i)
    if g[i] in S:
        S = S.replace(g[i], "", 1)
        print(S)
        i = 0
        output += 1

Answer 1

you can use a while loop:

S='1112'
g=['1', '2']

i = 0
output =  0
while i < len(g):
    if g[i] in S:
        S = S.replace(g[i], "", 1)
        print(S)
        i = 0
        output += 1
    else:
        i += 1

print('Is S empty?', S=='')

output:

112
12
2

Is S empty? True

Answer 2

Don't use a for loop; use a while :

i = 0
while i < len(g):
    <your original loop body; might need to replace i=0 with i=-1>
    i += 1