python3 for循环-range遍历,python3-range,for循环、rang
python3 for循环-range遍历,python3-range,for循环、rang
for循环、range遍历
for循环
range遍历range(1,10) 注:是1-9,而不包括最后的10。
实例:九九乘法表:
# -*- coding: UTF-8 -*-# 乘法表for i in range(1,10): for j in range(1,10): print(‘{}*{}={}‘.format(i,j,i*j))
#for 循环实现99乘法表for i in range (1,10): for j in range (1,i+1): print("{}*{} = {:<4}".format(i,j,i*j),end = " ") print("")print(‘第1种‘+"-"*96)
for i in range (9,0,-1): for j in range (1,i+1): print("{}*{} = {:<4}".format(i, j, i * j), end=" ") print("")print(‘第2种‘+"-"*96)
for i in range (1,10): for k in range (1,i): print(end = " ") for j in range (i,10): print("{}*{} = {:<4}".format(i,j,i*j),end = " ") print("")print(‘第3种‘+"-"*96)
for i in range (9,0,-1): for k in range (1,i): print(end = " ") for j in range (i,10): print("{}*{} = {:<4}".format(i,j,i*j),end = " ") print("")print(‘第4种‘+"-"*96)
for i in range (1,10): for j in range (1,10): print("%d*%d=%2d" % (i,j,i*j),end = " ") print("")print(‘第5种‘+"-"*96)
for i in range (1,10): for j in range (i,10): print("%d*%d=%2d" % (i,j,i*j),end = " ") print("")print(‘第6种‘+"-"*96)
for i in range (9,0,-1): for j in range (1,i+1): print("%d*%d=%2d" % (i,j,i*j),end = " ") print("")print(‘第7种‘+"-"*96)
for i in range (1,10): for k in range (1,i): print(end = " ") for j in range (i,10): print("%d*%d=%2d" % (i, j, i * j), end=" ") print("")print(‘第8种‘+"-"*96)
for i in range (1,10): for k in range (1,10-i): print(end = " ") for j in range (i,0,-1): print("%d*%d=%2d" % (i, j, i * j), end=" ") print("")print(‘第9种‘+"-"*96)
python3 for循环-range遍历
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