1、if else
2、if elif else
3、if嵌套
4、if应用:猜拳游戏
5、循环语句
6、while循环
7、while循环应用
# 计算1-100的整数的和
sum = 0;
i = 0;
while i <= 100:
sum += i
i += 1
print("1-100的整数的和为%d"%sum)
# 计算1-100的偶数的和
sum = 0;
i = 0;
while i <= 100:
if i % 2 == 0
sum += i
i += 1
print("1-100的整数的和为%d"%sum)
8、while循环嵌套和应用
打印九九乘法表:
# 打印九九乘法表
i = 1
while i <= 9:
j = 1
while j <= i:
print("%d * %d = %d "%(i,j,i*j),end="")
j += 1
print("")
i += 1
9、for循环
10、break和continue
name = 'zhangsan'
for x in name:
if x == 'g':
break
print(x)