Lecture "Recursion", exercise 1

[essepuntato]

Define a recursive function def exponentiation(base_number, exponent) for implementing the exponentiation operation. Test (by implementing the related test case) it on the following inputs: 3⁴, 17¹, and 2⁰.

[delete4ever]

def test_exponentiation (int_1, int_2, expected):
    result=exponentiation(int_1, int_2)
    if expected == result:
        return True
    else:
        return False
# Code of the algorithm 
def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    else:
        return base_number*(exponentiation(base_number, exponent-1))
# Test runs
print(test_exponentiation(3, 4, 81))
print(test_exponentiation(17, 1, 17))
print(test_exponentiation(2, 0 ,1))
# Console output
True
True
True

[lucia1299]

def test_my_exponentiation (base_number, exponent, expected):
    result = exponentiation(base_number, exponent)
    if result == expected:
        return True
    else: 
        return False

def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    elif exponent == 1:
        return base_number
    else:
        return base_number*exponentiation(base_number, exponent-1)



print(test_my_exponentiation (3, 4, 81))
print(test_my_exponentiation(17, 1, 17))
print(test_my_exponentiation(2, 0, 1))

#Console output: 
True 
True 
True

[giorgiacrosilla]

def test_exponentiation(base_number, exponent, expected):
    result = exponentiation(base_number, exponent)
    if expected == result:
        return True
    else: 
        return False 

def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    else: 
        return base_number * exponentiation(base_number, (exponent-1))
    

print(test_exponentiation(3,4,81))
print(test_exponentiation(17,1,17))
print(test_exponentiation(2,0,1))

[ranacoskun]

def test_exponentiation(base_number, exponent,expected):
  if exponentiation(base_number, exponent) == expected:
    return True
  else:
    return False

def exponentiation(base_number, exponent):
  if exponent == 0:
    result = 1
  else: 
    result = (base_number * (exponentiation(base_number, exponent-1))) 
  return result  

print(test_exponentiation(3, 4, 81)) #True
print(test_exponentiation(17, 1, 17)) #True
print(test_exponentiation(2, 0, 1)) #True

[ChiaraParravicini]

def test_exponentiation(base_number, exponent, expected):
    result = exponentiation(base_number, exponent)
    if expected == result:
        return True
    else:
        return False

def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    else:
        return (exponentiation(base_number, (exponent - 1)) * base_number)

print(test_exponentiation(3, 4, 81))
print(test_exponentiation(17, 1, 17))
print(test_exponentiation(2, 0, 1))

[corrado877]

# Define Test Function
def test_exponentiation (based_number, exponent, expected):
    result=exponentiation (based_number, exponent)
    if result==expected:
        return True
    else:
        return False

# Code of Algorithm
def exponentiation (based_number, exponent):
    if exponent==0:
        return 1
    elif exponent==1:
        return based_number
    else:
         return based_number * exponentiation(based_number, exponent-1)

# Three test runs 
print (test_exponentiation(3, 4, 81))
print (test_exponentiation(17, 1, 17))
print (test_exponentiation(2, 0, 1))

[lvcasmariani]

#Define Test Function
def test_exponentiation (int_1, int_2, expected):
    result = exponentiation (int_1, int_2)
    if expected == result:
        return True
    else:
        return False

#Algorithm Code
def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    else:
        return base_number * (exponentiation(base_number, exponent -1))

#Test
print (test_exponentiation(3, 4, 81))
print (test_exponentiation(17, 1, 17))
print (test_exponentiation(2, 0, 1))

#Output
True
True
True

[EricaAndreose]

# Test of the function

def test_exponentation(base_number, exponent, expected):
    result = exponentation(base_number, exponent)
    if expected == result:
        return True
    else:
        return False

# Implementation of the function

def exponentation(base_number, exponent):
    if exponent == 0:
        return 1
    if exponent == 1:
        return base_number
    else:
        return base_number * exponentation(base_number, exponent - 1)

# Test runs that returns True

print(test_exponentation(3, 4, 81))
print(test_exponentation(17, 1, 17))
print(test_exponentation(2, 0, 1))
print(test_exponentation(2, 4, 16))

[NicoleLiggeri]

def test_exponentiation(base_number, exponent, expected):
    result = exponentiation(base_number, exponent)
    if result == expected:
        return True
    else:
        return False

def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    else:
        return base_number*exponentiation(base_number, exponent - 1)

print(test_exponentiation(3, 4, 81))
print(test_exponentiation(17, 1, 17))
print(test_exponentiation(2, 0, 1))

[n1kg0r]

def test_exponentiation(base_number, exponent, expected):
    return expected == exponentiation(base_number, exponent)

def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    else:
        return base_number * exponentiation(base_number, exponent-1)

print(test_exponentiation(3, 4, 81)) # True 
print(test_exponentiation(17, 1, 17)) # True 
print(test_exponentiation(2, 0 ,1)) # True

[matteo-guenci]

def test_exponentiation(base_number, exponent, expected):
    result = exponentiation(base_number, exponent)
    if result == expected:
        return True
    else:
        return False


def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    if exponent == 1:
        return base_number
    else:
        return base_number *(exponentiation(base_number, exponent - 1))

print(test_exponentiation(3, 4, 81))
print(test_exponentiation(17, 1, 17))
print(test_exponentiation(2, 0, 1))

[irematmar]

def test_expo(num1, num2, expected):
    result = exponentiation(num1, num2)
    if result == expected:
        return True
    else:
        return False

def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    else:
        return base_number*(exponentiation(base_number, exponent-1))

print(test_expo(3, 4, 81))    
print(test_expo(17, 1, 17))
print(test_expo(2, 0, 1))


True
True
True

[eugeniavd]

[alka2696]

# Test case for the algorithm
def test_exponentiation (int_1, int_2, expected):
    result = exponentiation(int_1, int_2) 
    if expected == result:
        return True 
    else:
        return False

#code of the algorithm 
def exponentiation(base_number, exponent):
    if exponent == 0:
        return 1
    else:
        return base_number*(exponentiation(base_number, exponent-1))

print(test_exponentiation(3, 4, 81)) #True
print(test_exponentiation(17, 1, 17)) #True
print(test_exponentiation(2, 0, 1)) #True

[SalvatoreDiMarzo]

def test_exponentiation(bn, ex, expected):
    result = exponentiation(bn, ex)
    if expected == result:
        return True
    else: 
        return False
    

def exponentiation(bn, ex):
    if ex == 0:
        return 1
    elif ex == 1:
        return bn
    else: 
        return bn * exponentiation(bn, ex - 1)
    

print(test_exponentiation(7, 2, 49))
print(test_exponentiation(4, 4, 256))
print(test_exponentiation(2, 8, 213))