打印三角形
line = 0
while line < 10:
# 第二循环用来循环行中的每一个*
num = 0
while num < line + 1:
# end 以什么结尾
print("*",end="")
num +=1
# 换行
print()
line +=1
打印99乘法表
i = 1
while i <= 9:
j = 1
while j <= i:
print("%d*%d=%d\t"%(j,i,j*i),end="")
j += 1
print()
i += 1
打印100以内的偶数
num = 0
while num <= 100:
if num%2 == 0: # 偶数的判断
print(num)
num += 1
while_else:
listP = ["钱","赵","王","李","张"]
i = 0
while i < len(listP):
if "王" == listP[i]:
print("已经找到了")
break
i += 1
else:
print("没有找到")
break/continue
num = 0
while num <= 100:
num += 1
if num == 38:
print("你是38号")
break
print(num)
continue #跳出本次循环
break #跳出整个循环
用for循环打印99乘法表
for循环
for x in range(1,10):
for y in range(1,x+1):
print("%d*%d=%d"%(y,x,x*y ),end=" ")
print()
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