[["def remove_Occ(s,ch): \r\n    for i in range(len(s)): \r\n        if (s[i] == ch): \r\n            s = s[0 : i] + s[i + 1:] \r\n            break\r\n    for i in range(len(s) - 1,-1,-1):  \r\n        if (s[i] == ch): \r\n            s = s[0 : i] + s[i + 1:] \r\n            break\r\n    return s ", "This is some random text"], ["This is some random text", "This is some random text"]]