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Thank you so much for your response. You are right - the line numbers in my code and error messages don't seem to match for anything that I do, any ideas why that might be, please?
I have the exact same issue, even after including both of your suggestions: ` #include <stdio.h> #include <cs50.h> int main (void) { int i = get_int("Integer: "); printf("hello, %i\n", i); }`