编写一个 Python 程序,通过一个实际例子,使用 For 循环和 While 循环相加两个列表(列表项)。
相加两个列表的 Python 程序示例
在这个 python 程序中,我们使用 For 循环来迭代给定列表中的每个元素。在循环中,我们相加了第一个和第二个列表的元素。
# Python Program to Add two Lists
NumList1 = [10, 20, 30]
NumList2 = [15, 25, 35]
total = []
for j in range(3):
total.append( NumList1[j] + NumList2[j])
print("\nThe total Sum of Two Lists = ", total)
在这个 Python 例子中,NumList1 = [10,20,30],NumList2 = [15,25,35],total = []是列表
对于循环–第一次迭代:对于范围(3)中的 0–条件为真 总计。追加((NumList1[0] + NumList2[0] ) 总计[0] = 25 (10 + 15)
第二次迭代:对于范围(3)中的 1–条件为真 total . append((numlist 1[1]+numlist 2[1]) total[1]= 45(20+25)
第三次迭代:对于范围(3)中的 2–条件为真 总计。追加((NumList1[2] + NumList2[0] ) 总计[2] = 65 (30 + 35)
第四次迭代:对于范围(3)中的 3–条件为假。因此,它从退出进行循环
使用 For 循环相加两个列表的 Python 程序
在这个 python 程序中,我们使用了两个用于循环。它们允许用户为每个列表输入自己的元素数量
# Python Program to Add two Lists
NumList1 = []
NumList2 = []
total = []
Number = int(input("Please enter the Total Number of List Elements: "))
print("Please enter the Items of a First List ")
for i in range(1, Number + 1):
value = int(input("Please enter the Value of %d Element : " %i))
NumList1.append(value)
print("Please enter the Items of a Second List ")
for i in range(1, Number + 1):
value = int(input("Please enter the Value of %d Element : " %i))
NumList2.append(value)
for j in range(Number):
total.append( NumList1[j] + NumList2[j])
print("\nThe total Sum of Two Lists = ", total)
Please enter the Total Number of List Elements: 3
Please enter the Items of a First List
Please enter the Value of 1 Element : 22
Please enter the Value of 2 Element : 33
Please enter the Value of 3 Element : 44
Please enter the Items of a Second List
Please enter the Value of 1 Element : 55
Please enter the Value of 2 Element : 66
Please enter the Value of 3 Element : 77
The total Sum of Two Lists = [77, 99, 121]
Python 使用 For 循环对两个列表求和示例 2
这个 Python 相加两个列表与上面相同。但是,我们使用一个 for 循环来输入列表 1 元素和列表 2 元素
# Python Program to Add two Lists
NumList1 = []
NumList2 = []
total = []
Number = int(input("Please enter the Total Number of List Elements: "))
print("Please enter the Items of a First and Second List ")
for i in range(1, Number + 1):
List1value = int(input("Please enter the %d Element of List1 : " %i))
NumList1.append(List1value)
List2value = int(input("Please enter the %d Element of List2 : " %i))
NumList2.append(List2value)
for j in range(Number):
total.append( NumList1[j] + NumList2[j])
print("\nThe total Sum of Two Lists = ", total)
两个 Python 列表输出的总和
Please enter the Total Number of List Elements: 4
Please enter the Items of a First and Second List
Please enter the 1 Element of List1 : 10
Please enter the 1 Element of List2 : 35
Please enter the 2 Element of List1 : 20
Please enter the 2 Element of List2 : 45
Please enter the 3 Element of List1 : 50
Please enter the 3 Element of List2 : 75
Please enter the 4 Element of List1 : 90
Please enter the 4 Element of List2 : 135
The total Sum of Two Lists = [45, 65, 125, 225]
使用 While 循环相加两个列表
这个相加两个列表元素的程序与上面的相同。我们刚刚将 For 循环替换为 While 循环。
# Python Program to Add two Lists
NumList1 = []
NumList2 = []
total = []
i = 1
j = 0
Number = int(input("Please enter the Total Number of List Elements: "))
print("Please enter the Items of a First and Second List ")
while(i <= Number):
List1value = int(input("Please enter the %d Element of List1 : " %i))
NumList1.append(List1value)
List2value = int(input("Please enter the %d Element of List2 : " %i))
NumList2.append(List2value)
i = i + 1
while(j < Number):
total.append( NumList1[j] + NumList2[j])
j = j + 1
print("\nThe total Sum of Two Lists = ", total)
使用 while 循环输出的两个 Python 列表之和
Please enter the Total Number of List Elements: 3
Please enter the Items of a First and Second List
Please enter the 1 Element of List1 : 100
Please enter the 1 Element of List2 : 200
Please enter the 2 Element of List1 : 300
Please enter the 2 Element of List2 : 400
Please enter the 3 Element of List1 : 500
Please enter the 3 Element of List2 : 600
The total Sum of Two Lists = [300, 700, 1100]