Even/Odd Positions

import sys
n = int(input())
OddSum = 0
EvenSum = 0
OddMin = sys.maxsize
OddMax = -sys.maxsize
EvenMin = sys.maxsize
EvenMax = -sys.maxsize
for i in range(1, n+1):
    num = float(input())
    if i%2 == 0:
        EvenSum += num
        if num > EvenMax:
            EvenMax = num
        if num < EvenMin:
            EvenMin = num

    else:
        OddSum += num
        if num > OddMax:
            OddMax = num
        if num < OddMin:
            OddMin = num
print (f"OddSum={OddSum: .2f},")
if OddMin != sys.maxsize:
    print(f"OddMin={OddMin: .2f},")
else:
    print("No")

if OddMax != -sys.maxsize:
    print(f"OddMax={OddMax: .2f},")
else:
    print("No")

print (f"EvenSum={EvenSum: .2f},")
if EvenMin != sys.maxsize:
    print(f"EvenMin={EvenMin: .2f}")
else:
    print("No")
if EvenMax != -sys.maxsize:
    print(f"EvenMax={EvenMax: .2f}")
else:
    print("No")