python
sum = 0
for i in range(1, 101):
sum = sum + 1 / i
print("sum=%.6f" % sum)
python
sum = 1
f = -1
for i in range(2, 101):
sum = sum + 1 / i * f
f = -f
print("sum=%.6f" % sum)
python
sum = 0
t = 0
for i in range(1, 101):
t = t + i
sum = sum + 1 / t
print("sum=%.6f" % sum)
python
a = 2
sum = 0
for i in range(6):
sum = sum + a
a = a * 10 + 2
print("sum=", sum)
python
sum = 1
t = 1
i = 1
while 1 / t > 1e-6:
t = t * i
sum = sum + 1 / t
i += 1
print("sum=%.6f" % sum)
python
pi = 1
f = -1
i = 3
while 1 / i > 1e-6:
pi = pi + 1 / i * f
i = i + 2
f = -f
print("pi=%.6f" % (pi * 4))