while单循环练习
单循环实现一行十个★
# 方法一i = 0
while i < 10:
print("★", end="")
i += 1
print()
# 方法二(通过变量的形式实现)
i = 0
str_var = ""
while i < 10:
strvar += "★"
i += 1
print(strvar)
单循环实现十个换色★
i = 1while i <= 10:
if i % 2 == 1:
print("★", end="")
else:
print("☆", end="")
i += 1
print()
单循环实现十行十列★
i = 1while i <= 100:
print("★", end="")
if i % 10 == 0:
print()
i += 1
print()
单循环实现隔列换色★
i = 1while i <= 100:
if i % 2 == 0:
print("★", end="")
else:
print("☆", end="")
if i % 10 == 0:
print()
i += 1
print()
单循环实现隔行换色★
i = 0while i < 100:
if i // 10 % 2 == 0:
print("★", end="")
else:
print("☆", end="")
if i % 10 == 9:
print()
i += 1
print()
单循环输出1-100所有奇数
i = 1while i <= 100:
if i % 2 == 1:
print(i)
i += 1
单循环输出1-100所有偶数
i = 1while i <= 100:
if i % 2 == 0:
print(i)
i += 1
单循环实现国际象棋棋盘效果
i = 0while i < 64:
# 判断当前是奇数行还是偶数行
if i // 8 % 2 == 0:
if i % 2 == 0:
print("□", end="")
else:
print("■", end="")
else:
if i % 2 == 0:
print("■", end="")
else:
print("□", end="")
# 第八个方块换行
if i % 8 == 7:
print()
i += 1
折纸求高度
如题:我国最高山峰是珠穆朗玛峰:8848m,我现在有一张足够大的纸张,厚度为:0.01m。请问,折叠多少次,就可以保证厚度不低于珠穆朗玛峰的高度?
height = 0.01times = 1
while True:
if height * 2 ** times >= 8848:
print(times)
break
times += 1
篮球弹跳
如题:篮球从十米的位置向下掉落,每一次掉落都是前一次的一半,问弹跳十次之后篮球的高度是多少?
times = 1while True:
height /= 2
if times == 10:
print(height)
break
times += 1
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