Know Your Neighbor

Instructions

Code

Resources

Solutions

Comments

Create a function that takes a string as an argument and returns True if each letter in the string is surrounded by a plus sign. Return False otherwise.

Examples

plus_sign("+f+d+c+#+f+") ➞ True

plus_sign("+d+=3=+s+") ➞ True

plus_sign("f++d+g+8+") ➞ False

plus_sign("+s+7+fg+r+8+") ➞ False

Notes

For clarity, each letter must have a plus sign on both sides.

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Tests

Console