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# How to calculate the amount of numbers in the line

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Dana row, items of which are any characters, how to calculate the amount of numbers in the line

``````STR1 = STR (INPUT ())
Print (STR1)
k = 0.
For Elem in Str1:
IF Elem & GT; = "0" and Elem & Lt; = "9":
k = k + 1
Print (Elem)
Print ("k =", k)
``````

You need to check whether it is possible to make a number from the symbol, this is done like this:

``````elem.isdigit ()
``````

you need to find the amount and not the quantity:

``````k = k + 1
``````

Change on:

``````k + = int (elem)
``````

code should be:

``````STR1 = STR (INPUT ())
Print (STR1)
k = 0.
For Elem in Str1:
IF Elem.isdigit ():
K + = int (Elem)
Print (Elem)
Print ("k =", k)
``````

``````import re
a = input ('')
Digits = Re.Findall ("\ d", a)
IF Not Digits:
ELSE:
Print (Eval ('+'. Join (Digits)))
``````

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