In this post, we will see how to take the Sum of Prime Numbers in the Input in Python. This means we will ask the user to enter an integer, then we will calculate the sum of all prime numbers that come before the input integer.

## Code:

```
try:
n = int(input("Enter the value of n: "))
prime_list = []
sum = 0
for i in range(2, n+1):
for j in range(2, i):
if i % j == 0:
break
else:
sum = sum + i
prime_list.append(i)
print("Sum of ", end="")
for i in prime_list:
print(i, end=", ")
print("is: ", sum)
except:
print("Enter an integer only")
```

## Output:

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