Comma Chameleon

In this challenge, your input will be three lines, each containing a string. The first line will be stored in the variable s1, the second in s2, and the third in s3.

Define a variable called joined_with_commas that holds a string with the contents of s1, followed by a comma, followed by s2, followed by a comma, followed by s3.

Sample Input 1:

s1 is ‘apple’

s2 is ‘banana’

s3 is ‘orange’

Sample Output 1:

joined_with_commas is apple,banana,orange

Sample Input 2:

s1 is ‘1’

s2 is ‘2’

s3 is ‘3’

Sample Output 2:

joined_with_commas is 1,2,3

Sample Input 3:

s1 is ‘red’

s2 is ‘green’

s3 is ‘blue’

Sample Output 3:

joined_with_commas is red,green,blue