Python · all questions

Functions in Python
practice.

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Q81

What is a variable defined inside a function referred to as?

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Q82

What will be the output of the following Python code?

x = [[0], [1]]
print((' '.join(list(map(str, x))),))

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Q83

What will be the output of the following Python code?

def foo(i, x=[]):
    x.append(x.append(i))
    return x
for i in range(3):
    y = foo(i)
print(y)

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Q84

What will be the output of the following Python code?

def foo(k):
    k = [1]
q = [0]
foo(q)
print(q)

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Q85

What will be the output of the following Python code?

x = [12, 34]
print(len(''.join(list(map(int, x)))))

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Q86

On assigning a value to a variable inside a function, it automatically becomes a global variable.

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Q87

Which of the following data structures is returned by the functions globals() and locals()?

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Q88

What will be the output of the following Python code?

def power(x, y=2):
    r = 1
    for i in range(y):
       r = r * x
    return r
print power(3)
print power(3, 3)

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Q89

Does Lambda contains return statements?

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Q90

What will be the output of the following Python code?

l=[-2, 4]
m=map(lambda x:x*2, l)
print(m)

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Q91

What will be the output of the following Python code?

def f1(x):
    global x
    x+=1
    print(x)
f1(15)
print("hello")

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Q92

What will be the output of the following Python code?

def foo(x):
    x = ['def', 'abc']
    return id(x)
q = ['abc', 'def']
print(id(q) == foo(q))

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Q93

What is the value stored in sys.argv[0]?

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Q94

What will be the output of the following Python code?

def sayHello():
    print('Hello World!') 
sayHello() 
sayHello()

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Q95

What will be the output of the following Python code?

l=[1, 2, 3, 4, 5]
m=map(lambda x:2**x, l)
print(list(m))

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Q96

What will be the output of the following Python code?

import functools
l=[1,2,3,4]
print(functools.reduce(lambda x,y:x*y,l))

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Q97

What will be the output of the following Python code?

def foo():
    total += 1
    return total
total = 0
print(foo())

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Q98

What is the type of sys.argv?

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Q99

What will be the output of the following Python code?

m=reduce(lambda x: x-3 in range(4, 10))
print(list(m))

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Q100

Read the following Python code carefully and point out the global variables?

y, z = 1, 2
def f():
    global x
    x = y+z

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