《看漫画学python》第六天-容器类型的数据

# coding=utf-8
score = 77

if score >=80:
    print("你是优秀的程序员")

if score < 60:
    print("你还是要多努力")

if (score >= 60) and (score < 80):
    print("你已经合格，再加把劲")

# coding=utf-8
score = 77

if score > 60:
    print("真棒，你合格了")
else:
    print("你还没合格，再加把劲")

# coding=utf-8
score = 77

if score > 90:
    print("A")
elif score > 80:
    print("B")
elif score > 70:
    print("C")
elif score > 60:
    print("D")
else: 	
    print("F")

# coding=utf-8
i = 0
while i*i < 100:
    i += 1

print("i = " + str(i))
print("i * i = " + str(i*i))

# coding=utf-8
i = 0
while i*i < 100:
    if i ==5:
        break
    i += 1
else:
    print("While Over!") # 执行了break，所以while不会执行else块中的语句。

# coding=utf-8
numbers = [3,7,27,21]
for item in numbers:
     print(item)

# coding=utf-8
numbers = [3,7,27,21]
for item in numbers:
     if item == 7:
           break; # break the loop on 7
     print(item)
else:
     print("For Over!") # 如果中断没有循环，则此处代码将执行一次。

# coding=utf-8
numbers = [3,7,27,21]
for item in numbers:
     if item == 7:
           break; # break the loop on 7
     print(item)

# coding=utf-8
numbers = [3,7,27,21]
for item in numbers:
     if item == 7:
           continue # 跳过此次迭代中的7，继续下一次迭代。
     print(item)