COMP9001 Week 5 每周题库 · Functions 函数、作用域与返回值
Week 5 精选练习：函数定义、参数、作用域、返回值与引用。Curated practice on functions, scope, return values and references.
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W05 Functions 函数基础
What is the value of count after the following code is run?count = 0 for x in 'Hello World': if x == 'l' or x == 'o': count += 1
W05 Functions 函数基础
Consider the function foo defined below. What type of value does foo return?def foo(n: int): """Precondition: n > 0""" total = 0 for i in range(n): total += i print(total)
W05 Scope 变量作用域
What error (if any) will the following code produce?def greet(name): global name return 'Hello, ' + name greet('Alice')
W05 Scope 变量作用域
What is the value of x after the following code is executed?x = 10 def foo(y): x = y + 5 return x foo(3)
W05 Scope 变量作用域
What error (if any) will the following code produce when executed by Python?
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