Python中的while循环

女爷i 2021-07-25 12:24 578阅读 0赞

**目录**

while基本使用

break

continue

while循环数组(列表)

--------------------

# while基本使用 #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70][]

# while的基本使用
    i = 1
    while i <= 3:
        print(i)
        i += 1

# break #

跳出整个while循环

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 1][]

# break
    result = 0
    i = 1
    while i <= 4:
        result += i
        i += 1
        if i > 2:
            break
    print("result=", result)

# continue #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 2][]

print("1 % 2=", 1 % 2)
    # continue
    i = 1
    while i <= 8:
        if i % 2 == 1:
            i += 1
            continue
        print(i)
        i += 1

# while循环数组(列表) #

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 3][]

# 数组
    arr = ["A", "B", "C", "D"]
    print("arr：", arr)
    print("-----------------")
    # 循环数组
    while arr:
        print(arr.pop())
        print("arr:", arr)

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70]: /images/20210725/b9e3125713274b0aac77344ea3a5d3f9.png
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3FxXzQwMzIzMjU2_size_16_color_FFFFFF_t_70 1]: /images/20210725/269ebe8254d648ffbf63be4c8f12a904.png
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