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For Loopsfor_loop3

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str[x:] returns a substring starting at index x

def for_loop3(str, x):
    result = 0
    for i in str[x:]:
        if i == 'a':
            result += 1
    return result
Function Call  Return Value
for_loop3('athenian', 1)
for_loop3('apples', 2)
for_loop3('hello', 3)
for_loop3('alphabet', 0)
for_loop3('aaaaa', 3)
for_loop3('aaaaa', 4)
for_loop3('aaaaa', 5)

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