Use python to define functions in the form of loop and recursion, and find the sum of 1~100.

1. Subject requirements:

Use python to define functions in the form of loop and recursion, and find the sum of 1~100.

2. Come on, show:

# coding=utf-8
# 循环
def for_sum(i):
    sum = 0
    j = 1
    while j <= i:
        sum += j
        j += 1
    return sum
# 递归
def fact_sum(i):
    if(i == 1):
        return 1
    return i + fact_sum(i - 1)
print(for_sum(100))
print(fact_sum(100))

3. Operation results:

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