I'm Jelly of Python (Robbers)
Jelly, 21 bytes, cracks Jonathan Allan's answer
“¡ẉḟUHġ[4A»ŒVw⁾SuNXṛ⁸

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Takes the return value of time.ctime(), finds Su in it, and negates the value. On a Sunday, this passes -1 to X (random number function), causing an error. Otherwise it passes 0 to X, not erroring. then final return value is forced to be the empty string ⁸, so it will print nothing.