<doocs>1758.Minimum Changes To Make Alternating Binary String_1.py
def minOperations( s: str) -> int:
    cnt = 0
    for i, c in enumerate(s):
        cnt += c == '01'[i & 1]
    return min(cnt, len(s) - cnt)
def sample_funcname ( var_0 : str ) -> int :
    var_4 = 0
    for var_6 , var_7 in enumerate ( var_0 ) :
        var_4 += var_7 == '01' [ var_6 & 1 ]
    return min ( var_4 , len ( var_0 ) - var_4 )
