查找循環中的最大值

Question

這只是一個介紹性的類代碼，我想知道如何找到所有next_value變量的最大值並將其與first_value進行比較以打印最大值。我的if語句是接近，但我不知道如何解決它

maximum = 0.0 
value = int(input("Enter the number of values to process: ")) 

first_value = float(input("First value: ")) 
next_value_total = 0 


for i in range(1, value): 
    next_value = float(input("Next value: ")) 
    next_value_total += next_value 
    if first_value <= next_value: 
     maximum = next_value 
    elif first_value > next_value: 
     maximum = first_value 

total = next_value_total + first_value 
print("The total is {:.1f}".format(total)) 
print("The maximum is {:.1f}".format(maximum)) 

Answer 1

我會盡量保持我的回答十分簡潔越好：

value = int(input("Enter the number of values to process: ")) 

first_value = float(input("First value: ")) 

total = first_value 
maximum = first_value 

for i in range(1, value): 
    next_value = float(input("Next value: ")) 
    total += next_value 
    if maximum <= next_value: 
     maximum = next_value 

print("The total is {:.1f}".format(total)) 
print("The maximum is {:.1f}".format(maximum)) 

Answer 2

我只想把該值一個列表，並獲得之和最大後，像這樣：

value = int(input("Enter the number of values to process: ")) 
values = [] 

for i in range(value): 
    next_value = float(input("Next value: ")) 
    values.append(next_value) 

print("The total is {:.1f}".format(sum(values))) 
print("The maximum is {:.1f}".format(max(values))) 

但是，如果你想保持相同的結構：

maximum = 0.0 
value = int(input("Enter the number of values to process: ")) 

first_value = float(input("First value: ")) 
next_value_total = 0 
maximum = first_value # Note: initialize the maximum here 

for i in range(1, value): 
    next_value = float(input("Next value: ")) 
    next_value_total += next_value 
    if next_value > maximum: 
     maximum = next_value 

total = next_value_total + first_value 
print("The total is {:.1f}".format(total)) 
print("The maximum is {:.1f}".format(maximum)) 

您也可以用maximum = max(maximum, next_value)代替if next_value > maximum: maximum = next_value。

Answer 3

如果你使用一個列表，而不是你可以分別使用sum()和max()：

num_values = int(input("Enter the number of values to process: ")) 

values = [] 
for i in range(1, num_values + 1): 
    value = float(input("Please enter value %d: " % i)) 
    values.append(value) 

print("The total is {:.1f}".format(sum(values))) 
print("The maximum is {:.1f}".format(max(values))) 

實例應用：

Enter the number of values to process: 3 
Please enter value 1: 4.0 
Please enter value 2: 5.6 
Please enter value 3: 7.2324234 
The total is 16.8 
The maximum is 7.2 

試試吧here!