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Suppose d = {“john”:40, “peter”:45}, to delete the entry for “john” what command do we use a) d.delete(“john”:40) b) d.delete(“john”) c) del d[“john”]. d) del d(“john”:40)

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Suppose d = {“john”:40, “peter”:45}, to delete the entry for “john” what command  do we use
a) d.delete(“john”:40)
b) d.delete(“john”)
c) del d[“john”].
d) del d(“john”:40)
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c) del d[“john”].
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