data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAKAAAAB4CAYAAAB1ovlvAAAAAXNSR0IArs4c6QAADU9JREFUeF7tnXtcVVUWx3+XZyAgEGpaY4qOCvjOUtOm8oMaokVqjg8cU3MkIBTxY/lI01ITM0KRQPOBKSKiQoomWTM1muOM4zQq4KMQ82Np+VGUEB885rP2zD16UC/XPnH25e61/7lc7rln7f1b37vOOfuxtqm6uroaXFgBSQqYGEBJyrNZoQADyCBIVeCuAB46dAhfffUV6OpsMpm0Ctb1+0aNGiEkJAS+vr5SRWHjxilwB4BffPEFWrdurcFnhs7I18OHD2PQoEHGqcCWpCmgA/DgwYPw8/PTRbw5c+Zg7ty5IhLeC0Jvb29cunRJd0x2djZefvlllJSUiO+FhoZi586dVje0RYsWVh/LB9ZfBXQAvvfeexgyZIhozbVr1xAUFITw8HD06NEDp0+fRkREBChCDhgwAIWFhejWrRvocn3y5El06tQJR44cQd++fUGX0tTUVFAke/zxx7Fp0yZcvHgROTk5VivVsmVLq4/lA+uvAjoA4+PjMXToUC3S+fv748cff8TVq1fh6emJxo0bIyEhATExMdixY4eIagSWs7OzAJYA7NKlCzw8PMT36F6uvLwcTZs2xU8//SSOqaiosOry3qpVq/qrKtfcagV0AC5atEiLgFafoY4OpPtQLvavgA7AhQsXahHQzcUJlUv+AHdn4J/u3eHm4oz/eHa3eC94vw8q7iVFCLuyVajs2TkUZ3rEaedv06aN/avPLdT3Ay5YsECLgNdLL8F/8zD8reMMBPYOEVLRJbWo8Ki4hNZWHmz6CKqsOE7Al9wHLqYKnB2bp522bdu2tZngz+1AAV0EfOedd7QIeLPsMs5mxyPglfc14BKnxyDy6j6rmt0sPg/Hy0ygJ2QqDg4O4tX8NG0+Cb3/Ji8TwUXLcWbMp9rnAQEBVtnhg+q3AncAOHjwYNGiiqtXsGX7LgwbNgxpaWmYOHEi5k4chVnuJ6xqse+UlSj2eBQ+Pj5WHd9kZR8BoDm6BgYGWvU9Pqh+K6ADcN68edoluLK8FDv3/FVExGXLluG1117DvIhwDUD/Nfm4vGc93No9AbegnjA5ueDE87dGMHxiVwgA4+LisGbNGgGWpXvEpquCcXr0rX5C6gLiYv8K6ACkDmdzP2DVtV+Q+9lftPcEz/yoMToAi8beGxKfyStQ7PmoNqxG3S+WhvWare6L4vBcTfH27dvbv/rcQv1DCI16mPsBceMqPvl0j65f0M3RAdfjelglW9PVBThx+qwYCaHy8MMPW4yAv0t7DkUjt2v3gB07drTKDh9UvxXQRcDZs2drEc90sxw5uz4zrF+w+boQfDfiE01NGlnhYv8K6ACcNWuWFvEcK69jW+5uwwBssT4UJ/+YrUVAGlHhYv8K6ACcOXOmBpxT1Q3xFGy+J6xrKfzTB+HEsG2ama5du9a1ST6/DSigA3D69OlaBHRBBTbn5OruAe93pON+jm+d8QKODd2iRUCa6MDF/hXQAfjGG29oEc/VVInM7B2gfkFLU7HuBzJL5/n9pjAUDsnSFKdZNFzsXwEdgK+//roAkKByc6zGxi05hkXAdllDUDB4s1Cc7Hfv3t3+1ecW6rthpk2bpkU8AjA9K9uwe8CALUOR/2Km1lXDAKpBpy4CTp06VYt4DZxNWJ+51TAAg7YNw5EXMrTLfc+ePdXwgOKt1AFIw2bmp14PFwesy8gyDMAOOcNx+PmNmjuefPJJxV2jRvN1AMbGxmoR0OsBJ6xNzzTsHrDT9pH4ZuAGLQL27t1bDQ8o3kodgJMnT9YiXkM3Z6zZsEn3FGzW6m5Tqm6fI2jN56tXrxaTFGj5Jx3fecco/Dt0veaOp556SnHXqNF8HYC01sM8FuzTwBUfrUsX77OystChQwfQLOXfukuGVr8VFxfjsV1/wr9C1mnnf/rpp9XwgOKt1AFIU67M94C+Hg9gZdoGnD17FosXLxYynTlzRpPr6NGjuJ8ZKx9//DFGjx6tk5vgmz9/PkaNGoVun47BwefStM+feeYZxV2jRvN1AEZFRWkR0M/LHUUbZiOtuAFoje+SJUvQuXNnHYD79+8HTRyllW9ubm4YP348fv75Z9BMlrKyMly5cgU3btxAUVERdu/ejf79+2vfp2WXtARgxowZOHXqFJ7IG4t/9FujRcA+ffqo4QHFW6kDMDIyUkRAuswSgIXrZiHjjCdovTAVAsVc8vPzUVVVBeq6oSWaX3/9tYhmtDRz48aNoHM5OjqK91Ty8vLQr18/8Tct96QFUDT0R6+PPeKB8PKtONB3tfic7DOAapCpA5AAokXo9EDR2NtDLEra6DMaOw8UiAXmND5r6R6Qvnvz5k1QhgVLx2VmZoKG/d59913x6p3aF64Olfh78Crte8HBwWp4QPFW6gA8d+6cyGZA8Ph6PoC220YJeXLL28AJ1dh9rZVuRZw1T7uWno6bO5YgtuGB/7vAhP3BH4nzX758GS+99JLirlGj+XckJ0pJSQHdnxFc3bo9Bl8fYzJVnfz2W3GvSPBRhizKxMDF/hW4Z35Aa9b+1oU8t68bqYvz8zltSwFOUGlb/lCuNgygci63rQYzgLblD+VqozyA1In+5syZyC8oRHlZmSEAuLq6wudBX6SkpmqpSwwxbINGlAaQkmyiGggIlJOHprCgQOTMaduunQ2iYUyVlAWQRnEK8gvQvoPcDAw0okTDmao+/SsL4A8//IBmzZoZ8zOvxYot1cVoQZQFsObkiLsJT+nqaLE+pRumyzWNT3/55Ze411SxAwcOiMVUpaWl2jg4DWGaU9Pdy7lvzZmDt+bONdr3NmFPWQATExMxadIki04YPny4yIlNOa63bt0KGsPOyMio1XGU6pgKTd6gvNhkx1KmB4KcYFexKAtg3u489Ov/v9k5tRW6XzRHMRoqbNiw4V2/8v3336N58+bis5qb+liyQTPDx44dW1s17PJzZQGkeYuUPNPJyUmqYyltHdWFoqyKRVkAydnRkVFISl4u1e9/fmUCVny0UmodZBpXGkCKPpERryI55UPDIyHZnhwzCR8sTTTctkzgatpWGkCzGDzzRx6SDKA87dky7xfMDMhWgCOgbA8obp8BVBwA2c1nAGV7QHH7DKDiAMhuvvIA5ubmgvYm9vL0QlV1lSH+oKlXtMP853s+x6TJlsejDamQRCNKA/jqxFeRlJwkZq7IKJWVlZg6ZQoSEhNlmLcJm8oCSHlraDp+kyZNpDri/Llz8PH1hYuLi9R6yDKuLICU9Yu2D7NUKO+NOS9OXTro9lk0dWnHFs+tLICU85ByH9YslOFr1apV4t/mBEqhoaEi+xf9f+3atWJ+H2VvoGxflNSzZlm6dCko1yLNBaTETZTwiTaCnDBhwl2hpw2CKC+PikVZABPeT0DslNg7fE5Qbt68WazRMANI+XIoQSfN2UtOToa7uztGjBghsoDdXmhMeeTIkUhPTxf/3rdvH3r16iX+LigoEFnBCOSahQFU8KdHWVkpQaYtlO++/Q6tWreyhaoYXgdlI+D169dRcukSmjz0kOGi327w/PnzIip6eXlJrYcs48oCSILHRMcgITFBajdMVGQUUlJTZPlful2lAST1Fy9ajJABIfD2bkhr1A0pdH/5S2kpjh07jrAXwwyxaatGlAfQVh2jSr0YQFU8baPtZABt1DGqVIsBVMXTNtpOBtBGHaNKtRhAVTxto+1kAG3UMapUS2kAKysqxWSChA8SDF8cbl4U/2FKChyd5MxHtAXIlQZwwvgJWLlKblqM6KgoJC2Xmx5EJojKAki7Qvn5+Rke+Wo6myIhjUn7NWokkwNptpUF8FRREVr6++uEp73uaKfPFStWaP+n5JT3k7kqPDxcJB6Pj48X07asKfv27kUvRXeIVxbAu+1fPG7cONBO7rQ9LeX5CwoKAmW0p/Lss8+KLWu7du2qMUWbLdKmirSJY81CWVLN240dOnQIqampYnNGgrNmPmhOUGnNz9TOjlmelISo6Ghdq2jCKAFGs6VpK9m4uDgti+rbb7+NZcuWiYypY8aMQVhYGPbu3YsLFy4gLe3WRtu0+TblHUxKSkJ0dLR4jYiIEPvvUaLLgQMHio2+b4dwxvTpWLBwoZ0pbF1zlI2AtpQY3JbqYh02v91RygJI0+dpm4ag9kG/nZq/4kxHjxxFYFBgrYnMf8Wp68VXlAWQvHP82HGxGD0gQN5GNSaTA9oF8EY19eLXUheVLCkpwew33xRdIdQxbURxcXWFf0t/xE2bavWTshH1kmFD6QgoQ3C2qVeAAWQipCrAAEqVn40zgMyAVAUYQKnys3EGkBmQqgADKFV+Ns4AMgNSFWAApcrPxhlAZkCqAgygVPnZOAPIDEhVgAGUKj8bZwCZAakKMIBS5WfjDCAzIFUBBlCq/GycAWQGpCrAAEqVn40zgMyAVAUYQKnys3EGkBmQqgADKFV+Ns4AMgNSFWAApcrPxhlAZkCqAgygVPnZOAPIDEhVgAGUKj8bZwCZAakKMIBS5WfjDCAzIFUBBlCq/GycAWQGpCrAAEqVn40zgMyAVAUYQKnys3EGkBmQqsB/AcTokwKwQ5QaAAAAAElFTkSuQmCCdata:image/png;base64,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
Test cases:
1. invalid index number
2. Valid index, wrong item
3. Valid index, valid item, item ws removedpie