age 45
if age 0 and age 22:
print(“学生未毕业”)
else:
print(“学生已毕业”)
x 5
y (x 3 or x 4)
print(y)
a “orange”
if “o” in a:
print(“orange”)
else:
print( )
dict_data {“张三”: 21, “李四”: 20, “王五”: 19, “赵六”: 18, “刘七”: 19, “张麻子”: 20, “耿耿”: 20, “余淮”: 19}
python_count 0
c_count 0
java_count 0
go_count 0
for i in dict_data.values():
if i 21:
python_count 1
if i 20:
c_count 1
if i 19:
java_count 1
if i 18:
go_count 1
print(“Learn Python Students:”, python_count)
print(“Learn C Students:”,c_count)
print(“Learn Java Students:”,java_count)
print(“Leave Go Students,”,go_count)
dict_data {1: 2,3: 4}
for i in dict_data.keys():
print(i)
for i in dict_data.values():
print(i)
for i in dict_data.items():
print(i)
tuple_data (1, 2, 3)
for i in enumerate(tuple_data):
print(i)
