4. Accumulators

• The difference between a counter and an accumulator is that for counters, the added value is constant, and for accumulators, it is variable.

• Calculation of the sum of ten integer numbers

n = 1

System Message: WARNING/2 (/home/runner/work/PyZombis/PyZombis/_sources/lectures/TWP15/TWP15_4_en.rst, line 15)

Explicit markup ends without a blank line; unexpected unindent.

   suma = 0    while n <= 10:        x = int (input (“Enter the last %d number: “% n))        suma = suma + x        n = n + 1

   print (“suma: %d”% suma)

• Average of 10 integer numbers

System Message: WARNING/2 (/home/runner/work/PyZombis/PyZombis/_sources/lectures/TWP15/TWP15_4_en.rst, line 28)

Explicit markup ends without a blank line; unexpected unindent.

   :nocodelens:    :stdin:

   n = 0    suma = 0    while n <10:        x = int (input (“Enter the last %d number: “% (n + 1)))        suma = suma + x        n = n + 1

   print (“Average: %5.2f”% (suma / n))

• Calculate the factorial of ten

Activity: CodeLens 4.3 (cl_l15_4_en)

   i = 1    fact = 1    while i <= 10:        fact = fact * i        i = i + 1    print (“Fact(10) =% d”% fact)

• Calculate the factorial of an integer number n

System Message: WARNING/2 (/home/runner/work/PyZombis/PyZombis/_sources/lectures/TWP15/TWP15_4_en.rst, line 56)

Explicit markup ends without a blank line; unexpected unindent.

   :nocodelens:    :stdin:

   i = 1    fact = 1    n = int (input (“Enter n: “))    while i <= n:        fact = fact * i        i = i + 1

   print (“Fact(%d) =% d”% (n, fact))

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