C Programming
String concatenation means -

Combining two strings.
Extracting a substring out of a string.
Comparing the two strings to define the larger one.
Partitioning the string into two strings.
Merging two strings.

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C Programming
What is the output of given program if user enter "xyz" ?#includevoid main(){float age, AgeInSeconds;int value;printf("Enter your age:");value=scanf("%f", &age);if(value==0){printf("\\nYour age is not valid");}AgeInSeconds = 365 * 24 * 60 * 60 * age;printf("\\n You have lived for %f seconds", AgeInSeconds);}

Enter your age : xyz Your age is not valid
Enter your age: xyz You have lived for 0 seconds
Enter your age: xyz Your age is not valid
Complier error

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