i have 2 strings:
string 1: "aaabbbccc"
string 2: "bbb"
what is the function to substract string 2 from string 1 and obtain a new string 3: "aaaccc" ??
string 1: "aaabbbccc"
string 2: "bbb"
what is the function to substract string 2 from string 1 and obtain a new string 3: "aaaccc" ??

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