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 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

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)

• Calculate the factorial of an integer number n

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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