Why string is called Immutable data Type?

What’s the difference between nested if statements and ELIF headers?

Language : C Jojo remembered going to a cave with his best friend Lili before the coronavirus pandemic.There, he saw several Stalactites hanging from the /cave’s ceiling. Stalactite is a type offormation that hangs from the ceiling of caves.Jojo noticed an interesting fact about the stalactites. The stalactite formation in thiscave forms a pattern. He wonders how will the formation look like if the cave is of adifferent size. He has asked your help to visualize this formation. Format Input :A single line with an integer N denoting the size of the cave Format Output :A size N formation of stalactites. Do not print extra spaces behind the last ‘*’ character in each line. Constraints : • 1 ≤ N ≤ 12 Sample Input 1 :2 Sample Output 1*** *Sample Input 2 :3  Sample Output 2 :******* *  *  *    *

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