PCAP-31-03 5.2 Embed Lambda Functions into Code PCAP-31 Practice Questions (Page 1)

Questions 1–5

1. 1application · hard

   A developer is reading code and sees the following: funcs = [lambda x: x + i for i in range(3)]. They call funcs[0](10). What is the result?

   • ATypeError
   • B12
   • C11
   • D10
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2. 2foundation · easy

   What is the output of the following code? numbers = [1, 2, 3, 4, 5, 6] result = list(filter(lambda x: x % 2 == 0, numbers)) print(result)

   • A[1, 2, 3, 4, 5, 6]
   • B[2, 4, 6]
   • C[1, 3, 5]
   • D[]
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4. 3application · medium

   A developer is reviewing code and encounters the following line: f = lambda x, y=10: x + y. They call f(5). What is the result?

   • A5
   • B15
   • CTypeError
   • DNone
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5. 4foundation · easy

   Which statement correctly describes a lambda function in Python?

   • AIt is a shorthand for a def function that can contain any number of expressions separated by semicolons.
   • BIt can contain multiple statements and must have a return statement.
   • CIt is defined with the lambda keyword, can take multiple parameters, and contains a single expression that is implicitly returned.
   • DIt must be assigned to a variable before it can be used, unlike a def function.
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6. 5foundation · easy

   What is a key difference between a lambda function and a regular function defined with def?

   • AA lambda is always faster than a def function.
   • BA def function can only be called once, while a lambda can be called multiple times.
   • CA lambda can be defined without a name, while a def function always has a name.
   • DA lambda can contain multiple statements, while a def function can only contain one.
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